diff --git a/island/actions/islandAction_checkout.py b/island/actions/islandAction_checkout.py
index abcd65d..20ea847 100644
--- a/island/actions/islandAction_checkout.py
+++ b/island/actions/islandAction_checkout.py
@@ -18,7 +18,7 @@ import os
 
 
 def help():
-	return "plop"
+	return "Ckeckout a specific branch in all repository"
 
 def add_specific_arguments(my_args, section):
 	my_args.add("r", "remote", haveParam=True, desc="Name of the remote server")
diff --git a/island/actions/islandAction_command.py b/island/actions/islandAction_command.py
index 5526164..1948ee8 100644
--- a/island/actions/islandAction_command.py
+++ b/island/actions/islandAction_command.py
@@ -18,7 +18,10 @@ import os
 
 
 def help():
-	return "write the command you want to be executed in every repository"
+	return "Write the command you want to be executed in every repository"
+
+def have_unknow_argument():
+	return True
 
 def execute(arguments):
 	cmd = ""
diff --git a/island/actions/islandAction_commit.py b/island/actions/islandAction_commit.py
index 4a222f0..d2f3181 100644
--- a/island/actions/islandAction_commit.py
+++ b/island/actions/islandAction_commit.py
@@ -18,7 +18,7 @@ import os
 
 
 def help():
-	return "commit in all repository"
+	return "Commit in all repository"
 
 
 
diff --git a/island/actions/islandAction_fetch.py b/island/actions/islandAction_fetch.py
index b73e556..ba3512b 100644
--- a/island/actions/islandAction_fetch.py
+++ b/island/actions/islandAction_fetch.py
@@ -18,7 +18,7 @@ import os
 
 
 def help():
-	return "plop"
+	return "Fecth all the repository (get all modification on the server)"
 
 def add_specific_arguments(my_args, section):
 	my_args.add("r", "remote", haveParam=True, desc="Name of the remote server")
diff --git a/island/actions/islandAction_status.py b/island/actions/islandAction_status.py
index 072d2de..e866849 100644
--- a/island/actions/islandAction_status.py
+++ b/island/actions/islandAction_status.py
@@ -18,7 +18,7 @@ import os
 
 
 def help():
-	return "plop"
+	return "Get the status of all the repositories"
 
 
 def add_specific_arguments(my_args, section):
diff --git a/island/actions/islandAction_sync.py b/island/actions/islandAction_sync.py
index 9f2d081..702cc90 100644
--- a/island/actions/islandAction_sync.py
+++ b/island/actions/islandAction_sync.py
@@ -18,11 +18,11 @@ import os
 
 
 def help():
-	return "plop"
+	return "Syncronize all the repository referenced"
 
 
 def add_specific_arguments(my_args, section):
-	my_args.add("d", "download", haveParam=False, desc="Just download not download repository")
+	my_args.add("d", "download", haveParam=False, desc="Just download the 'not download' repository")
 
 def execute(arguments):
 	just_download = False