diff --git a/Gazelle-Objects-Checker/user.md b/Gazelle-Objects-Checker/user.md
index a9f98c161eb38a1fbd20d6ffcf2951ecaa318bdd..bf9c221e5ccbc77f8281fb2abe16553e9f666608 100644
--- a/Gazelle-Objects-Checker/user.md
+++ b/Gazelle-Objects-Checker/user.md
@@ -314,12 +314,12 @@ This section is just an alternative way to regenerate the validator when the fun
 without re-running GOC, but just from the generated ```model.uml``` file.
 
 ```bash
-> cd /home/mylap/Documents/GOC-OUTPUT/[validator-name]-validator-jar/model/[validator-name].uml
+> cd /home/mylap/Documents/GOC-OUTPUT/validator/[validator-name]-validator-jar/model/[validator-name].uml
 ```
 for example for epsos5
 
 ```bash
-> cd /home/mylap/Documents/GOC-OUTPUT/epsos5-validator-jar/model/epsos5.uml
+> cd /home/mylap/Documents/GOC-OUTPUT/validator/epsos5-validator-jar/model/epsos5.uml
 ```
 
 Then you can edit it with a Text Editor, or a dedicated modeling tool (ex: TopCased).
@@ -328,7 +328,7 @@ Then you can edit it with a Text Editor, or a dedicated modeling tool (ex: TopCa
 
 Go to GOC-OUTPUT/epsos5-validator-jar and do the following: 
 ```bash
-> cd /home/mylap/Documents/GOC-OUTPUT/epsos5-validator-jar
+> cd /home/mylap/Documents/GOC-OUTPUT/validator/epsos5-validator-jar
 > mvn exec:exec@generateValidator -DmvnPath="/opt/apache-maven-3.5.4/bin/mvn" -DcdaProps="cdaepsos" -DprojectName="epsos5"
 > mvn clean package
 ```
@@ -359,7 +359,6 @@ Now you can refer to [Section 8](#validateCDA) to Validate a CDA document with y
 Now we are going to use the generated validator.<br>
 
 We will suppose we generated a validator with a BBR containing the following version: epsos5-.<br>
-_We didn't use the SEQUOIA's BBR because the validator needs a hack (access to SVS) before it could be used_
 
 Open the following directory:
 ```bash
@@ -370,6 +369,23 @@ Open the following directory:
 > ./validator.sh -path <Path_to_CDA.xml> -out <Path_To_output_result.xml>
 ```
 
+For SEQUOIA with version ccda21, you need to adapt it to SVS first, and for that we have a generation script that handle all of that automatically:
+```bash
+> cd gazelle-objects-checker/hl7templates/hl7templates-packager-jar/target
+> ./SEQUOIAGeneration.sh
+# or just for adapting SVS you can use the SEQUOIASVSAdaptation.sh
+```
+
+Then: 
+
+```bash
+> cd <Path_To_Output>/ccda21-validator-jar/target/appassembler/bin
+
+> chmod +x validator.sh  #if on linux 
+
+> ./validator.sh -path <Path_to_CDA.xml> -out <Path_To_output_result.xml>
+```
+
 Here is a summary of possible parameters for the validator:
 <table>
   <thead>
@@ -482,6 +498,5 @@ You can find some previous made documentation here _(belong the old GOC, and cou
 #### Next released documentation
 
 - Functional description of GOC
-- Prepare validator for SEQUOIA
-- Use interactive scripts for generation
+