diff --git a/src/core/trans.ml b/src/core/trans.ml
index ac8ea9c8c8e6fbf965e17c553aa0906c56d0a133..f1d471130aefacbbffcf2a9ecdea2362170c4de6 100644
--- a/src/core/trans.ml
+++ b/src/core/trans.ml
@@ -406,9 +406,6 @@ let list_transforms () =
 let list_transforms_l () =
   Hstr.fold (fun k (desc,_) acc -> (k, desc)::acc) transforms_l []
 
-
-
-
 (** transformations with arguments *)
 
 type naming_table = {
diff --git a/src/tools/main.ml b/src/tools/main.ml
index 3ca349c34882ebd70ee719a38d48d40e3e8761b1..ddfd1475ba0dae55bc41f2883470dff6cbe02052 100644
--- a/src/tools/main.ml
+++ b/src/tools/main.ml
@@ -124,8 +124,8 @@ let () = try
       (Pp.print_list Pp.newline2 print_trans_desc)
       (List.sort sort_pair (Trans.list_transforms_l ()));
     let list_transform_with_arg =
-      Trans.list_transforms_with_args () @ Trans.list_transforms_with_args_l ()
-    in
+      Trans.list_transforms_with_args () @
+      Trans.list_transforms_with_args_l () in
     printf "@[<hov 2>Known transformations with arguments:@\n%a@]@\n@."
       (Pp.print_list Pp.newline2 print_trans_desc)
       (List.sort sort_pair list_transform_with_arg)
diff --git a/src/transform/abstract_quantifiers.ml b/src/transform/abstract_quantifiers.ml
index 83503118f2d184e8d4919eee1f917e2ff67e788f..2b111c9b0ed90e7669595e2191bce651e4b6a2b1 100644
--- a/src/transform/abstract_quantifiers.ml
+++ b/src/transform/abstract_quantifiers.ml
@@ -34,4 +34,5 @@ let elim_less (d:decl) =
 
 let () =
   Trans.register_transform "abstract_quantifiers" (Trans.decl elim_less None)
-    ~desc:"abstract@ quantifiers@ in@ the@ axioms@ of@ the@ context and the goals@."
+    ~desc:"Abstract@ quantifiers@ in@ the@ axioms@ of@ the@ context \
+           and@ the@ goals."
diff --git a/src/transform/apply.ml b/src/transform/apply.ml
index 7f904189a1a58ab5bcf07b1930b6cdb5b86643f4..88b4526a1554332e902d224651c81500ed448e73 100644
--- a/src/transform/apply.ml
+++ b/src/transform/apply.ml
@@ -518,29 +518,51 @@ let unfold unf hl =
       | _ -> [d]) None
 
 
-let () = wrap_and_register ~desc:"sort declarations"
-                           "sort"
-                           (Ttrans) sort
-
-let () = wrap_and_register ~desc:"unfold ls [in] pr: unfold logic symbol ls in list of hypothesis pr. The argument in is optional: by default unfold in the goal." (* TODO *)
-                           "unfold"
-                           (Tlsymbol (Topt ("in", Tprlist Ttrans))) unfold
+let () = wrap_and_register ~desc:"Sort@ declarations." "sort" Ttrans sort
 
+let () = wrap_and_register
+          ~desc:"unfold <ls> [in] <name list>@ \
+            unfolds@ logical@ symbol@ <ls> in@ the@ given@ \
+            list@ of@ premises.@ If@ no@ list@ is@ given,@ \
+            unfold@ in@ the@ goal."
+          "unfold"
+          (Tlsymbol (Topt ("in", Tprlist Ttrans)))
+          unfold
 
 let () = wrap_and_register
-           ~desc:"replace <term1> <term2> [in] <name list> replaces occcurences of term1 by term2 in prop name. If no list is given, replace in the goal."
-           "replace"
-           (Tterm (Tterm (Topt ("in", Tprlist Ttrans_l)))) replace
+          ~desc:"replace <term1> <term2> [in] <name list>@ \
+            replaces@ occcurences@ of@ <term1>@ by@ <term2>@ in@ \
+            the@ given@ list@ of@ premises.@ If@ no@ list@ is@ given,@ \
+            replace@ in@ the@ goal."
+          "replace"
+          (Tterm (Tterm (Topt ("in", Tprlist Ttrans_l))))
+          replace
 
 let _ = wrap_and_register
-          ~desc:"rewrite [<-] <name> [in] <name2> [with] <list term> rewrites equality defined in name into name2 using exactly all terms of the list as instance for what cannot be deduced directly" "rewrite"
-          (Toptbool ("<-",(Tprsymbol (Topt ("in", Tprsymbol (Topt ("with", Ttermlist Ttrans_l))))))) (fun rev h h1opt term_list -> rewrite term_list rev h h1opt)
+          ~desc:"rewrite [<-] <name> [in] <name2> [with] <term list>@ \
+            rewrites@ equality@ defined@ in@ <name>@ into@ <name2>@ \
+            using@ exactly@ all@ terms@ in@ the@ list@ as@ instances@ \
+            for@ what@ cannot@ be@ deduced@ directly."
+          "rewrite"
+          (Toptbool ("<-",(Tprsymbol (Topt ("in",
+            Tprsymbol (Topt ("with", Ttermlist Ttrans_l)))))))
+          (fun rev h h1opt term_list -> rewrite term_list rev h h1opt)
 
 let _ = wrap_and_register
-    ~desc:"rewrite_list [<-] <list name> [?] [in] <name2> rewrites equalities defined in <list name> into name2. If [?] is set, each of the rewrites is optional." "rewrite_list"
-    (Toptbool ("<-", (Tprlist (Toptbool ("?", Topt ("in", Tprsymbol Ttrans_l)))))) (fun rev hl opt h1opt -> rewrite_list rev opt hl h1opt)
+          ~desc:"rewrite_list [<-] <name list> [?] [in] <name2>@ \
+            rewrites@ equalities@ defined@ in@ the@ given@ list@ \
+            of@ premises@ into@ <name2>.@ If@ [?]@ is@ set,@ each@ \
+            of@ the@ rewrites@ is@ optional."
+          "rewrite_list"
+          (Toptbool ("<-", (Tprlist (Toptbool ("?",
+            Topt ("in", Tprsymbol Ttrans_l))))))
+          (fun rev hl opt h1opt -> rewrite_list rev opt hl h1opt)
 
 let () = wrap_and_register
-           ~desc:"apply <prop> [with] <list term> applies prop to the goal and \
-                  uses the list of terms to instantiate the variables that are not found." "apply"
-           (Tprsymbol (Topt ("with", Ttermlist Ttrans_l))) (fun x y -> apply x y)
+           ~desc:"apply <prop> [with] <term list>@ \
+            applies@ premise@ <prop>@ to@ the@ goal@ and@ uses@ the@ \
+            list@ of@ terms@ to@ instantiate@ the@ variables@ that@ \
+            are@ not@ found."
+          "apply"
+          (Tprsymbol (Topt ("with", Ttermlist Ttrans_l)))
+          apply
diff --git a/src/transform/case.ml b/src/transform/case.ml
index c63031123003c085d802d726a4ec0cf1d6911589..5d1640c629783f8f4b017c7dc0f6b5c5bd9867dd 100644
--- a/src/transform/case.ml
+++ b/src/transform/case.ml
@@ -152,27 +152,36 @@ let introduce_premises n = Trans.goal (intros (create_list n))
 let intros_list l = Trans.goal (intros l)
 
 let () = wrap_and_register
-    ~desc:"case <term> [name] generates hypothesis 'name: term' in a first goal and 'name: ~ term' in a second one."
+    ~desc:"case <term> [name]@ generates@ hypothesis@ 'name: term'@ \
+      in@ a@ first@ goal@ and@ 'name: ~ term'@ in@ a@ second@ one."
     "case"
     (Tformula (Topt ("as",Tstring Ttrans_l))) case
 
-let () = wrap_and_register ~desc:"left transform a disjunctive goal A \\/ B into A"
+let () = wrap_and_register
+    ~desc:"left@ transforms@ a@ disjunctive@ goal@ A \\/ B@ into@ A."
     "left"
     (Ttrans) (or_intro true)
 
-let () = wrap_and_register ~desc:"right transform a disjunctive goal A \\/ B into B"
+let () = wrap_and_register
+    ~desc:"right@ transforms@ a@ disjunctive@ goal@ A \\/ B@ into@ B."
     "right"
     (Ttrans) (or_intro false)
 
 let () = wrap_and_register
-    ~desc:"exists <term> substitutes the existentially quantified variable with the given term"
+    ~desc:"exists <term>@ substitutes@ the@ top-most@ existentially@ \
+      quantified@ variable@ with@ the@ given@ term."
     "exists"
     (Tterm Ttrans) exists
 
-let () = wrap_and_register ~desc:"intros n introduces the first n quantified variables and hypotheses"
+let () = wrap_and_register
+    ~desc:"intros <n>@ introduces@ the@ first@ <n>@ quantified@ \
+      variables@ and@ hypotheses."
     "intros_n"
     (Tint Ttrans) introduce_premises
 
-let () = wrap_and_register ~desc:"intros id1,id2,...,idk introduces quantified variables and hypotheses using the given identifiers names"
+let () = wrap_and_register
+    ~desc:"intros <id1>,<id2>,...,<idk>@ \
+      introduces@ quantified@ variables@ and@ hypotheses@ under@ \
+      the\ given@ names."
     "intros"
     (Tidentlist Ttrans) intros_list
diff --git a/src/transform/compute.ml b/src/transform/compute.ml
index 8cc798e90cadb986ce7ae0dd3d4d4843059ac0cb..53b8c1bf7b2f01dc3e66dbe3aa64217ac21790f8 100644
--- a/src/transform/compute.ml
+++ b/src/transform/compute.ml
@@ -22,7 +22,7 @@ let meta_rewrite_def = Theory.register_meta "rewrite_def" [Theory.MTlsymbol]
 
 let meta_compute_max_steps = Theory.register_meta_excl "compute_max_steps"
   [Theory.MTint]
-  ~desc:"Maximal@ number@ of@ reduction@ steps@ done@ by@ compute@ \
+  ~desc:"Maximal@ number@ of@ reduction@ steps@ done@ by@ the@ 'compute'@ \
          transformation"
 
 let compute_max_steps = ref 1024
@@ -116,12 +116,13 @@ let normalize_goal_transf_few env =
 
 let () =
   Trans.register_env_transform_l "compute_in_goal" normalize_goal_transf_all
-  ~desc:"Performs@ possible@ computations@ in@ goal, including@ by@ \
-         declared@ rewrite@ rules"
+  ~desc:"Perform@ computations@ in@ the@ goal,@ also@ using@ \
+    the@ automatically@ derived@ rules)."
 
 let () =
   Trans.register_env_transform_l "compute_specified" normalize_goal_transf_few
-  ~desc:"Rewrite@ goal@ using@ specified@ rules"
+  ~desc:"Perform@ computations@ in@ the@ goal,@ only@ using@ \
+    the@ user-specified@ rules)."
 
 let normalize_hyp step_limit pr_norm env =
   let p = { compute_defs = true;
@@ -130,19 +131,24 @@ let normalize_hyp step_limit pr_norm env =
           } in
   normalize_goal_transf ?pr_norm ?step_limit p env
 
-let () = wrap_and_register ~desc:"experimental: Takes a prsymbol and reduce \
-    one \"elementary\" step."
+let () = wrap_and_register
+    ~desc:"step [in] <name>@ performs@ one@ \"elementary\"@ \
+      reduction@ step@ in@ the@ given@ premise@ (experimental)."
     "step"
-    (Topt ("in", Tprsymbol Tenvtrans_l)) (normalize_hyp (Some 1))
+    (Topt ("in", Tprsymbol Tenvtrans_l))
+    (normalize_hyp (Some 1))
 
-let () = wrap_and_register ~desc:"experimental: Same as step except that it \
-    reduces the given number of steps."
+let () = wrap_and_register
+    ~desc:"steps <n> [in] <name>@ performs@ <n>@ \"elementary\"@ \
+      reduction@ steps@ in@ the@ given@ premise@ (experimental)."
     "steps"
-    (Tint (Topt ("in", Tprsymbol Tenvtrans_l))) (fun n -> normalize_hyp (Some n))
+    (Tint (Topt ("in", Tprsymbol Tenvtrans_l)))
+    (fun n -> normalize_hyp (Some n))
 
-
-let () = wrap_and_register ~desc:"Performs@ possible@ computations@ in@ given \
-    hypothesis@ including@ by@ declared@ rewrite@ rules"
+let () = wrap_and_register
+    ~desc:"compute_hyp [in] <name>@ performs@ computations@ \
+      in@ the@ given@ premise, also@ using@ the@ automatically@ \
+      derived@ rules."
     "compute_hyp"
     (Topt ("in", Tprsymbol Tenvtrans_l)) (normalize_hyp None)
 
@@ -153,8 +159,9 @@ let normalize_hyp_few step_limit pr_norm env =
           } in
   normalize_goal_transf ?pr_norm ?step_limit p env
 
-let () = wrap_and_register ~desc:"Performs@ possible@ computations@ in@ given \
-    hypothesis@ using@ specified@ rules"
+let () = wrap_and_register
+    ~desc:"compute_hyp_specified [in] <name>@ performs@ computations@ \
+      in@ the@ given@ premise, only@ using@ the@ user-specified@ rules."
     "compute_hyp_specified"
     (Topt ("in", Tprsymbol Tenvtrans_l)) (normalize_hyp_few None)
 
diff --git a/src/transform/cut.ml b/src/transform/cut.ml
index 6884130d3431488dacaceaa6ae96f8898497eb7b..0616b3fd9334be41cc527069d74f2e56920118e9 100644
--- a/src/transform/cut.ml
+++ b/src/transform/cut.ml
@@ -178,43 +178,53 @@ let hide (clear: bool) (name: string) (t: term) =
   Trans.bind_comp (pose clear name t)
      (fun (hyp,new_constant,ls_term) -> replace_all hyp new_constant ls_term)
 
-let () = wrap_and_register ~desc:"clear all axioms but the hypothesis argument"
+let () = wrap_and_register
+    ~desc:"clear_but <name list>@ \
+      clears@ all@ premises@ except@ the@ listed@ ones."
     "clear_but"
     (Tprlist Ttrans) clear_but
 
 let () = wrap_and_register
-    ~desc:"cut <term> [name] makes a cut with hypothesis 'name: term'"
+    ~desc:"cut <term> [name]@ \
+      makes@ a@ cut@ with@ a@ hypothesis@ 'name: term'."
     "cut"
     (Tformula (Topt ("as",Tstring Ttrans_l))) cut
 
 let () = wrap_and_register
-    ~desc:"cut <term> [name] makes an assert with hypothesis 'name: term'"
+    ~desc:"assert <term> [name]@ \
+      makes@ an@ assertion@ with@ a@ hypothesis@ 'name: term'."
     "assert"
     (Tformula (Topt ("as",Tstring Ttrans_l))) assert_tac
 
 let () = wrap_and_register
-    ~desc:"remove <prop list>: removes a list of hypothesis given by their names separated with ','. Example: remove_list a,b,c "
+    ~desc:"remove <name list>@ removes@ the@ listed@ premises."
      "remove"
-     (Tlist Ttrans) (fun l -> remove_list l)
+    (Tlist Ttrans) (fun l -> remove_list l)
 
 let () = wrap_and_register
-    ~desc:"use_th <theory> imports the theory" "use_th"
+    ~desc:"use_th <theory>@ imports@ the@ given@ theory."
+    "use_th"
     (Ttheory Ttrans) use_th
 
 let pose (name: string) (t: term) =
   Trans.bind (pose false name t) (fun (_, task) -> Trans.store (fun _ -> task))
 
 let () = wrap_and_register
-    ~desc:"pose <name> <term> adds a new constant <name> equal to <term>"
+    ~desc:"pose <name> <term>@ \
+      adds@ a@ new@ constant@ <name>@ equal@ to@ <term>."
     "pose"
     (Tstring (Tterm Ttrans)) pose
 
 let () = wrap_and_register
-    ~desc:"hide <name> <term> adds a new constant <name> equal to <term> and replace everywhere the term with the new constant."
+    ~desc:"hide <name> <term>@ \
+      adds@ a@ new@ constant@ <name>@ equal@ to@ <term>@ \
+      and@ replaces@ everywhere@ the@ term@ with@ the@ new@ constant."
     "hide"
     (Tstring (Tterm Ttrans)) (hide false)
 
 let () = wrap_and_register
-    ~desc:"hide and clear <name> <term> adds a new constant <name> which replaces all occurences of <term>."
+    ~desc:"hide_and_clear <name> <term>@ \
+      adds@ a@ new constant@ <name>@ which@ replaces@ all@ \
+      occurences@ of@ <term>."
     "hide_and_clear"
     (Tstring (Tterm Ttrans)) (hide true)
diff --git a/src/transform/destruct.ml b/src/transform/destruct.ml
index 7cec17f72e3f467421b765700878562992f3cd5c..129fabc12d327b4d74a16db66e641f908683564f 100644
--- a/src/transform/destruct.ml
+++ b/src/transform/destruct.ml
@@ -414,25 +414,50 @@ let instantiate ~rem (pr: Decl.prsymbol) lt =
       | _ -> [d]) None
 
 let () = wrap_and_register
-    ~desc:"instantiate <prop> <term list> generates a new hypothesis with quantified variables of prop replaced with terms"
+    ~desc:"instantiate <prop> <term list>@ \
+      generates@ a@ new@ hypothesis@ with@ quantified@ variables@ \
+      of@ <prop>@ replaced@ with@ the@ given@ terms."
     "instantiate"
     (Tprsymbol (Ttermlist Ttrans)) (instantiate ~rem:false)
 
 let () = wrap_and_register
-    ~desc:"instantiate <prop> <term list> generates a new hypothesis with quantified variables of prop replaced with terms. Also remove the old hypothesis."
+    ~desc:"instantiate <prop> <term list>@ \
+      generates@ a@ new@ hypothesis@ with@ quantified@ variables@ \
+      of@ <prop>@ replaced@ with@ then@ given@ terms.@ \
+      Also@ removes@ the@ old@ hypothesis."
     "inst_rem"
     (Tprsymbol (Ttermlist Ttrans)) (instantiate ~rem:true)
 
-let () = wrap_and_register ~desc:"destruct <name> destructs the head logic constructor of hypothesis name (/\\, \\/, -> or <->).\nTo destruct a literal of algebraic type, use destruct_term."
+let () = wrap_and_register
+    ~desc:"destruct <name>@ \
+      destructs@ the@ top-most@ propositional@ connector@ \
+      (/\\,@ \\/,@ ->@ or@ <->)@ of@ the@ given@ hypothesis.@ \
+      To@ destruct@ a@ literal@ of@ an@ algebraic@ type,@ \
+      use@ 'destruct_term'."
     "destruct" (Tprsymbol Ttrans_l) (destruct ~recursive:false)
 
-let () = wrap_and_register ~desc:"destruct <name> recursively destructs the head logic constructor of hypothesis name (/\\, \\/, -> or <->).\nTo destruct a literal of algebraic type, use destruct_term."
+let () = wrap_and_register
+    ~desc:"destruct_rec <name>@ \
+      recursively@ destructs@ the@ top@ propositional@ connectors@ \
+      (/\\,@ \\/,@ ->@ or@ <->)@ of@ the@ given@ hypothesis.@ \
+      To@ destruct@ a@ literal@ of@ an@ algebraic@ type,@ \
+      use@ 'destruct_term'."
     "destruct_rec" (Tprsymbol Ttrans_l) (destruct ~recursive:true)
 
-let () = wrap_and_register ~desc:"destruct <name> as an algebraic type. Option using can be used to name elements created by destruct_term"
+let () = wrap_and_register
+    ~desc:"destruct_term <term> [using] <id list>@ \
+      destructs@ the@ given@ term@ of@ an@ algebraic@ type.@ \
+      Option@ 'using'@ can@ be@ used@ to@ name@ the@ elements@ \
+      created@ by@ 'destruct_term'."
     "destruct_term" (Tterm (Topt ("using", Tidentlist Ttrans_l)))
     (fun t names -> destruct_term ?names false t)
 
-let () = wrap_and_register ~desc:"destruct <name> as an algebraic type and substitute the definition if an lsymbol was provided. Option using can be used to name elements created by destruct_term_subst"
+let () = wrap_and_register
+    ~desc:"destruct_term_subst <term> [using] <id list>@ \
+      destructs@ the@ given@ term@ of@ an@ algebraic@ type@ \
+      and@ substitutes@ the@ definition@ if@ the@ term@ is@ \
+      a@ constant@ function@ symbol.@ \
+      Option@ 'using'@ can@ be@ used@ to@ name@ the@ elements@ \
+      created@ by@ 'destruct_term_subst'."
     "destruct_term_subst" (Tterm (Topt ("using", Tidentlist Ttrans_l)))
     (fun t names -> destruct_term ?names true t)
diff --git a/src/transform/eliminate_if.ml b/src/transform/eliminate_if.ml
index b8f222d9faddda0c9860a057afefac2ab8ad06f5..089ace2a175c03ecd105772ef29f45c3f011968e 100644
--- a/src/transform/eliminate_if.ml
+++ b/src/transform/eliminate_if.ml
@@ -141,7 +141,7 @@ let eliminate_if = Trans.compose eliminate_if_term eliminate_if_fmla
 
 let () =
   Trans.register_transform "eliminate_if_term" eliminate_if_term
-    ~desc:"Replaces@ terms@ of@ the@ form@ [if f1 then t2 else t3]@ by@ \
+    ~desc:"Replace@ terms@ of@ the@ form@ [if f1 then t2 else t3]@ by@ \
            lifting@ them@ at@ the@ level@ of@ formulas.";
   Trans.register_transform "eliminate_if_fmla" eliminate_if_fmla
     ~desc:"Eliminate@ formulas@ of@ the@ form@ [if f1 then f2 else f3].";
diff --git a/src/transform/eliminate_unknown_types.ml b/src/transform/eliminate_unknown_types.ml
index 2c1fe7a61bf85ac269ddba61bf826e8321af5215..96b0bda82d93e034caef766d7e69a92143f768f5 100644
--- a/src/transform/eliminate_unknown_types.ml
+++ b/src/transform/eliminate_unknown_types.ml
@@ -96,4 +96,4 @@ let remove_types =
 
 let () =
   Trans.register_transform "eliminate_unknown_types" remove_types
-    ~desc:"Remove@ types@ unknown@ to@ the@ prover@ and@ terms@ referring@ to@ them@."
+    ~desc:"Remove@ types@ unknown@ to@ the@ prover@ and@ terms@ referring@ to@ them."
diff --git a/src/transform/encoding.ml b/src/transform/encoding.ml
index 17688aeb8db73c0da2276e51e50153555ea5fcab..50685f1200b205327f29451f350e2154b13e1027 100644
--- a/src/transform/encoding.ml
+++ b/src/transform/encoding.ml
@@ -74,7 +74,8 @@ let encoding_smt env = Trans.seq [
   Libencoding.monomorphise_goal;
   select_kept def_enco_select_smt env;
   Trans.print_meta Libencoding.debug Libencoding.meta_kept;
-  Trans.trace_goal "meta_enco_kept" (Trans.on_flag meta_enco_kept ft_enco_kept def_enco_kept_smt env);
+  Trans.trace_goal "meta_enco_kept"
+    (Trans.on_flag meta_enco_kept ft_enco_kept def_enco_kept_smt env);
   Trans.on_flag meta_enco_poly ft_enco_poly def_enco_poly_smt env]
 
 let encoding_tptp env = Trans.seq [
@@ -100,7 +101,7 @@ let encoding_smt_if_poly env =
 let () =
   Trans.register_env_transform "encoding_smt_if_poly"
     encoding_smt_if_poly
-    ~desc:"Same@ as@ encoding_smt@ but@ only@ if@ polymorphism@ appear."
+    ~desc:"Same@ as@ encoding_smt@ but@ only@ in@ presence@ of@ polymorphism."
 
 let encoding_tptp_if_poly env =
   Trans.on_meta Detect_polymorphism.meta_monomorphic_types_only
@@ -111,4 +112,4 @@ let encoding_tptp_if_poly env =
 let () =
   Trans.register_env_transform "encoding_tptp_if_poly"
     encoding_tptp_if_poly
-    ~desc:"Same@ as@ encoding_tptp@ but@ only@ if@ polymorphism@ appear."
+    ~desc:"Same@ as@ encoding_tptp@ but@ only@ in@ presence@ of@ polymorphism."
diff --git a/src/transform/ind_itp.ml b/src/transform/ind_itp.ml
index 973e79f9ed505fdef994ad0457f1015f401f0549..7d75fb19cfb8502fa3a2c71ef74dac6968321123 100644
--- a/src/transform/ind_itp.ml
+++ b/src/transform/ind_itp.ml
@@ -301,11 +301,15 @@ let induction x bound env =
   Trans.par [init_trans; rec_trans]
 
 let () = wrap_and_register
-    ~desc:"induction <term1> [from] <term2> performs a strong induction on int term1 from int term2. term2 is optional and default to 0."
+    ~desc:"induction <term1> [from] <term2>@ \
+      performs@ a@ strong@ induction@ on@ the@ integer@ <term1>@ \
+      starting@ from@ the@ integer@ <term2>.@ <term2>@ is@ optional@ \
+      and@ defaults@ to@ 0."
     "induction"
     (Tterm (Topt ("from", Tterm Tenvtrans_l))) induction
 
 let () = wrap_and_register
-    ~desc:"revert <list> puts list back in the goal."
+    ~desc:"revert <id list>@ \
+      puts@ the@ given@ identifiers@ back@ in@ the@ goal."
     "revert"
     (Tlist Ttrans) revert_tr_symbol
diff --git a/src/transform/induction.ml b/src/transform/induction.ml
index e7d84978b50f0b0dda4c4075c8c08d15fe6bdabb..74b0fc4c5d80018880fead4365fe53472dec872d 100644
--- a/src/transform/induction.ml
+++ b/src/transform/induction.ml
@@ -352,7 +352,8 @@ let induction_on_hyp ls =
     (Trans.store induction_ty_lex)
 
 let () = wrap_and_register
-    ~desc:"induction_arg_ty_lex <ls> performs induction_ty_lex on ls."
+    ~desc:"induction_arg_ty_lex <id>@ \
+      performs@ 'induction_ty_lex'@ on@ the@ given@ logical@ symbol."
     "induction_arg_ty_lex"
     (Tlsymbol Ttrans_l) induction_on_hyp
 
diff --git a/src/transform/induction_pr.ml b/src/transform/induction_pr.ml
index 45d03a6fbafa3ab8f383fa5380c3fd861d9a0011..a528c211d4d0711a04b3203babdfe12e350ff893 100644
--- a/src/transform/induction_pr.ml
+++ b/src/transform/induction_pr.ml
@@ -219,7 +219,8 @@ let induction_l attr induct task = match task with
   | Some { task_decl ={ td_node = Decl { d_node = Dprop (Pgoal, pr, f) } };
 	   task_prev = prev;
 	   task_known = kn } ->
-    begin try List.map (add_prop_decl prev Pgoal pr) (induction_l attr induct kn f)
+    begin try List.map (add_prop_decl prev Pgoal pr)
+                       (induction_l attr induct kn f)
     with Ind_not_found -> [task] end
   | _ -> assert false
 
@@ -228,26 +229,24 @@ let induction_on_hyp attr b h =
     (Trans.store (induction_l attr b))
 
 let () = wrap_and_register
-    ~desc:"induction_arg_pr <pr> performs induction_pr on pr."
+    ~desc:"induction_arg_pr <name>@ \
+      performs@ 'induction_pr'@ on@ the@ given@ premise."
     "induction_arg_pr"
     (Tprsymbol Ttrans_l) (induction_on_hyp attr_ind true)
 
 let () = wrap_and_register
-    ~desc:"induction_arg_pr <pr> performs inversion_pr on pr."
+    ~desc:"inversion_arg_pr <name>@ \
+      performs@ 'inversion_pr'@ on@ the@ given@ premise."
     "inversion_arg_pr"
     (Tprsymbol Ttrans_l) (induction_on_hyp attr_inv false)
 
 let () =
-  Trans.register_transform_l "induction_pr" (Trans.store (induction_l attr_ind true))
-    ~desc:"Generate@ induction@ hypotheses@ for@ goals@ over@ inductive@ predicates."
+  Trans.register_transform_l "induction_pr"
+    (Trans.store (induction_l attr_ind true))
+    ~desc:"Generate@ induction@ hypotheses@ \
+      for@ goals@ over@ inductive@ predicates."
 
 let () =
-  Trans.register_transform_l "inversion_pr" (Trans.store (induction_l attr_inv false))
+  Trans.register_transform_l "inversion_pr"
+    (Trans.store (induction_l attr_inv false))
     ~desc:"Invert@ inductive@ predicate."
-
-
-(*
-Local Variables:
-compile-command: "unset LANG; make -C ../.. bin/why3.byte"
-End:
-*)
diff --git a/src/transform/inlining.ml b/src/transform/inlining.ml
index a101ff2875da8f17d69af36bb5c9051ff990dcab..a793a06d3c1783c58d8cbd6f96a22039526db215 100644
--- a/src/transform/inlining.ml
+++ b/src/transform/inlining.ml
@@ -150,4 +150,4 @@ let () =
     ~desc:"Same@ as@ 'inline_all', but@ only@ inline in@ goals.";
   Trans.register_transform "inline_trivial" trivial
     ~desc:"Inline@ trivial@ definitions@ like@ @[f(x,y) = g(y,x,0)@]. \
-           Add@ the@ \"inline:trivial\"@ attribute@ to@ force@ inlining."
+           Add@ the@ [@@inline:trivial]@ attribute@ to@ force@ inlining."
diff --git a/src/transform/intro_projections_counterexmp.ml b/src/transform/intro_projections_counterexmp.ml
index 43cbb5a673003cd2a67d0c711a7bd43cbe8ab34f..05095b27b290da8c734801bc8fca7b1dc650d0ed 100644
--- a/src/transform/intro_projections_counterexmp.ml
+++ b/src/transform/intro_projections_counterexmp.ml
@@ -231,5 +231,5 @@ let () = Trans.register_env_transform "intro_projections_counterexmp"
   intro_projections_counterexmp
   ~desc:"For@ each@ declared@ abstract@ function@ and@ predicate@ p@ \
          with@ attribute@ [%@model_projected]@ and@ projecting@ f@ \
-         for@ p@ creates@ declaration@ of@ new@ constant@ c@ with@ \
+         for@ p,@ create@ declaration@ of@ new@ constant@ c@ with@ \
          attribute@ [%@model]@ and@ an@ axiom@ c = f p."
diff --git a/src/transform/prepare_for_counterexmp.ml b/src/transform/prepare_for_counterexmp.ml
index b8f391fecd738ae9af295108d42dab8eb2d7ca89..c1bf93b1c6c128cbbdb2e0f340dd419c2c4c368e 100644
--- a/src/transform/prepare_for_counterexmp.ml
+++ b/src/transform/prepare_for_counterexmp.ml
@@ -34,6 +34,6 @@ let prepare_for_counterexmp env = Trans.store (prepare_for_counterexmp2 env)
 
 let () = Trans.register_env_transform "prepare_for_counterexmp"
   prepare_for_counterexmp
-  ~desc:"Transformation@ that@ prepares@ the@ task@ for@ querying@ for@ \
+  ~desc:"Prepare@ the@ task@ for@ querying@ for@ \
     the@ counter-example@ model.@ This@ transformation@ does@ so@ only@ \
     when@ the@ solver@ will@ be@ asked@ for@ the@ counter-example."
diff --git a/src/transform/reflection.ml b/src/transform/reflection.ml
index f4c9183cd5ca5303eac2e02c4c62768a44bb1167..d256a56800b2b039f3ad9b8d62999c3be7c797de 100644
--- a/src/transform/reflection.ml
+++ b/src/transform/reflection.ml
@@ -718,21 +718,24 @@ let reflection_by_function do_trans s env = Trans.store (fun task ->
     [Task.add_decl prev df] )
 
 let () = wrap_and_register
-           ~desc:"reflection_l <prop> attempts to prove the goal by reflection using the lemma prop"
+           ~desc:"reflection_l <prop>@ \
+            attempts@ to@ prove@ the@ goal@ by@ reflection@ \
+            using@ the@ lemma@ <prop>."
            "reflection_l"
            (Tprsymbol Tenvtrans_l) reflection_by_lemma
 
 let () = wrap_and_register
-           ~desc:"reflection_f <f> attempts to prove the goal by reflection using the contract of the program function f"
+           ~desc:"reflection_f <f>@ \
+            attempts@ to@ prove@ the@ goal@ by@ reflection@ \
+            using@ the@ contract@ of@ the@ program@ function@ <f>."
            "reflection_f"
            (Tstring Tenvtrans_l) (reflection_by_function true)
 
 let () = wrap_and_register
-           ~desc:"reflection_f <f> attempts to prove the goal by reflection using the contract of the program function f, does not automatically perform transformations afterward. Use for debugging."
+           ~desc:"reflection_f <f>@ \
+            attempts@ to@ prove@ the@ goal@ by@ reflection@ \
+            using@ the@ contract@ of@ the@ program@ function@ <f>.@ \
+            Does@ not@ automatically@ perform@ transformations@ \
+            afterwards.@ Use@ for@ debugging."
            "reflection_f_nt"
            (Tstring Tenvtrans_l) (reflection_by_function false)
-(*
-Local Variables:
-compile-command: "unset LANG; make -C ../.."
-End:
-*)
diff --git a/src/transform/subst.ml b/src/transform/subst.ml
index 1f2b10972460664255ac63133224fd017bcda94c..ae79854ebb75f4d136646756800683dc57b26785 100644
--- a/src/transform/subst.ml
+++ b/src/transform/subst.ml
@@ -267,7 +267,9 @@ let subst_filtered ~subst_proxy filter =
 let subst_all = subst_filtered ~subst_proxy:false (fun _ -> true)
 
 let () =
-  wrap_and_register ~desc:"substitutes with all equalities between a constant and a term"
+  wrap_and_register
+    ~desc:"Substitute@ with@ all@ equalities@ between@ \
+      a@ constant@ and@ a@ term."
     "subst_all"
     (Ttrans) subst_all
 
@@ -282,7 +284,10 @@ let subst tl =
   subst_filtered ~subst_proxy:true (fun ls -> Sls.mem ls to_subst)
 
 let () =
-  wrap_and_register ~desc:"substitutes with all equalities involving one of the given constants"
+  wrap_and_register
+    ~desc:"subst <constant list>@ \
+      substitutes@ with@ all@ equalities@ involving@ \
+      one@ of@ the@ given@ constants."
     "subst"
     (Ttermlist Ttrans) subst