diff --git a/Examples/ChebyshevInterpolationFMM.cpp b/Examples/ChebyshevInterpolationFMM.cpp
index cb413b4609c91b06a035f3c54566d836323ac940..76cc4c2d3e86533639801c45aff7982a1c866d7c 100755
--- a/Examples/ChebyshevInterpolationFMM.cpp
+++ b/Examples/ChebyshevInterpolationFMM.cpp
@@ -62,9 +62,7 @@
 //!     \param   -subdepth     Specifies the size of the sub octree
 //!     \param   -t                   The number of threads
 //!
-//!     \param   -f name          Name of the particles file. The file have to be in our FMA format
-//!     \param   -bin                 if the file is in binary mode
-
+//!     \param   -f name          Name of the particles file with extension (.fma or .bfma). The data in  file have to be in our FMA format
 //!
 //
 
@@ -75,7 +73,6 @@ void usage() {
 			<<	  "      -depth       the depth of the octree   "<< std::endl
 			<<	  "      -subdepth  specifies the size of the sub octree   " << std::endl
 			<<     "      -f   name    name specifies the name of the particle distribution" << std::endl
-			<<     "      -bin   if the file is in binary mode" << std::endl
 			<<     "      -t  n  specifies the number of threads used in the computations" << std::endl;
 }
 
diff --git a/Examples/ChebyshevInterpolationMPIFMM.cpp b/Examples/ChebyshevInterpolationMPIFMM.cpp
index 1c3e7e5214a1f9e0d0c887c53326901ba56a1ec1..1af6d0da14a8ea0e022eb3012320f80ec49b03f4 100644
--- a/Examples/ChebyshevInterpolationMPIFMM.cpp
+++ b/Examples/ChebyshevInterpolationMPIFMM.cpp
@@ -60,8 +60,7 @@
 //!     \param   -subdepth     Specifies the size of the sub octree
 //!     \param   -t                   The number of threads
 //!
-//!     \param   -f name          Name of the particles file. The file have to be in our FMA format
-//!     \param   -bin                 if the file is in binary mode
+//!     \param   -f name          Name of the particles file with extension (.fma or .bfma). The data in  file have to be in our FMA format
 //!
 //
 
diff --git a/Examples/RotationFMM.cpp b/Examples/RotationFMM.cpp
index 51923ef44807691641c32cee71af7fd51e43c290..07be2f2710e9094202060a2a92b6eee4c71b85f3 100755
--- a/Examples/RotationFMM.cpp
+++ b/Examples/RotationFMM.cpp
@@ -57,8 +57,7 @@
 //!     \param   -subdepth     Specifies the size of the sub octree
 //!     \param   -t                   The number of threads
 //!
-//!     \param   -f name          Name of the particles file. The file have to be in our FMA format
-//!     \param   -bin                 if the file is in binary mode
+//!     \param   -f name          Name of the particles file with extension (.fma or .bfma). The data in  file have to be in our FMA format
 //!
 //
 
@@ -68,8 +67,7 @@ void usage() {
 			<<     "      -help         to see the parameters    " << std::endl
 			<<	  "      -depth       the depth of the octree   "<< std::endl
 			<<	  "      -subdepth  specifies the size of the sub octree   " << std::endl
-			<<     "      -f   name    name specifies the name of the particle distribution" << std::endl
-			<<     "      -bin   if the file is in binary mode" << std::endl
+			<<     "      -f   name    name specifies the name of the particle distribution. If extension is . bfma th file is -in binary mode" << std::endl
 			<<     "      -t  n  specifies the number of threads used in the computations" << std::endl;
 }
 
diff --git a/Examples/RotationMPIFMM.cpp b/Examples/RotationMPIFMM.cpp
index db3dbda3de98d4adb1855e65dc23b15b15b4b594..c589ac823f7ed34110968cf7310ae717d7065d0a 100644
--- a/Examples/RotationMPIFMM.cpp
+++ b/Examples/RotationMPIFMM.cpp
@@ -58,8 +58,7 @@
 //!     \param   -subdepth     Specifies the size of the sub octree
 //!     \param   -t                   The number of threads
 //!
-//!     \param   -f name          Name of the particles file. The file have to be in our FMA format
-//!     \param   -bin                 if the file is in binary mode
+//!     \param   -f name          Name of the particles file with extension (.fma or .bfma). The data in  file have to be in our FMA format
 //!
 //