diff --git a/README.md b/README.md
index 00c5915..3078f8a 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,15 @@
+Git Multi User
+==============
+
+
 This lib permits to use different git users in the same session.
 
-User just load its git configuration in a git repo.
+User just loads its git configuration in a git repo when needed.
+And clean it when job is done.
 
 
 Install
-=======
+-------
 
 Add the path to your `~/.bashrc`:
 
@@ -16,7 +21,7 @@ One may need to run `source ~/.bashrc` to make it ready.
 
 
 Configuration
-=============
+-------------
 
 Create a config file (one can used Alban one as example):
 
@@ -24,14 +29,13 @@ Create a config file (one can used Alban one as example):
 
 Modify at least `name` and `email`.
 
-
-**Note:** It is better if the session does not have any git account.
-I don't really dig up a mixed configuration.
+**Warning:** Git-multi-user replaces git variable `include.path`.
+Be carefull that it is not already used.
 
 
 
 Usage
-=====
+-----
 
 To start working in a git repo:
 
@@ -42,6 +46,3 @@ When job is done:
 	git-stop
 
 Easy ! ;)
-
-**Note:** Git-multi-user replaces git variable `include.path`.
-Be carefull that it is not already used.
diff --git a/git-start b/git-start
index b273d95..d3157f4 100755
--- a/git-start
+++ b/git-start
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 set  -eu
+
+
 if [ "$#" -ne 1 ]; then
     echo "Hey man, give me your name !"
     echo "See, like this:"
diff --git a/git-stop b/git-stop
index 82b14ff..f9c0ec7 100755
--- a/git-stop
+++ b/git-stop
@@ -1,3 +1,4 @@
 #!/usr/bin/env bash
+set  -eu
 
 git config --local --unset include.path