diff --git a/README.md b/README.md
index ca36e1c..ed6fc6b 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,10 @@
 # Glue to use majortiy judgement algorithm in various polls applications
 
-Intial trigger of this project is implementation of this in Nextcloud poll app https://github.com/nextcloud/polls/issues/3472, project pushed by https://www.astrolabe.coop/
+Initial trigger of this project is implementation of this in Nextcloud poll app https://github.com/nextcloud/polls/issues/3472, project pushed by https://www.astrolabe.coop/
+
+What does this project :
+
+It compares local implementation with  https://github.com/MieuxVoter using tests samples some exported from nextcloud_poll in csv.
 
 ## What is  majortiy judgement algorithm ?
 
@@ -17,25 +21,19 @@ LISEZMOI.md
 
 ## Testing
 
-### Quick
-
-make tests
-
-## all tests
-
 ```
 cd samples
 ./test.sh
 ```
 
-tests should run wihtout errors, there is not special error checking wihtin test
+tests should run without errors, there is not special error checking within test
 
 ## unitary tests
 
 python venv **code** activated ( within sample tests.sh does it ).
 
 ```
-source code/bin/activate
+make setup_dev 
 ```
 
 ```
@@ -47,4 +45,9 @@ source code/bin/activate
 
 ## ça marche chez moi (tm)
 
-dev done on Ubuntu 24.04.2 LTS
\ No newline at end of file
+dev done on Ubuntu 24.04.2 LTS
+
+```
+cd code
+./check_csv.sh ../samples/nextcloud_poll_export/poll1.csv 
+```
\ No newline at end of file
diff --git a/code/check_csv.sh b/code/check_csv.sh
index b67851f..20d2ab2 100755
--- a/code/check_csv.sh
+++ b/code/check_csv.sh
@@ -1,4 +1,4 @@
 #!/bin/bash
 
-python3 convert_nextcloud_poll_csv.py ../samples/poll1.csv 'Très Bien' 'Bien' 'Assez Bien' 'Passable' 'Insuffisant' 'A Rejeter'
-
+csv_file="$1"
+python3 convert_nextcloud_poll_csv.py "$csv_file" 'Très Bien' 'Bien' 'Assez Bien' 'Passable' 'Insuffisant' 'A Rejeter'