diff --git a/yunohost b/yunohost
index 0afd64ef..fef1c211 100755
--- a/yunohost
+++ b/yunohost
@@ -34,6 +34,22 @@ gettext.install('YunoHost')
 from yunohost import YunoHostError, str_to_func, colorize
 
 action_dict = {
+    """
+    Category/actions dictionnary
+
+    Usage:
+        Add your "'action' : 'help'" to a category of this dictionnary,
+        and make sure the file yunohost_my-category.py exists in ./lib
+
+        Then create the function called category_action(args).
+
+        You can add some arguments with the function parse_args() below.
+
+    Example:
+        'add' : 'Add user' refers to :
+        user_add(args) function in lib/yunohost_user.py
+
+    """
     'user' : {
         'help'    : 'Manage users',
         'actions' : {
@@ -59,34 +75,6 @@ action_dict = {
     }
 }
 
-def dict_to_parsers(action_dict):
-    """
-    Turn action dictionnary to parser and subparsers (2 level)
-    
-    Keyword arguments:
-        action_dict -- Multi-level dictionnary of categories/actions list
-    
-    Returns: 
-        Dictionnrary of parsers
-
-    """
-    # Intialize parsers
-    parsers = subparsers_category = subparsers_action = {}
-    parsers['general'] = argparse.ArgumentParser()
-    subparsers = parsers['general'].add_subparsers()
-
-    # Compute dictionnary
-    for category, info in action_dict.items():
-        subparsers_category[category] = subparsers.add_parser(category, help=info['help'])
-        subparsers_action[category] = subparsers_category[category].add_subparsers()
-        for action, helper in info['actions'].items():
-            parsers[category + '_' + action] = subparsers_action[category].add_parser(action, help=helper)
-            parsers[category + '_' + action].set_defaults(
-                func=str_to_func('yunohost_' + category + '.' 
-                                 + category + '_' + action)) 
-
-    return parsers
-
 def parse_args(parsers):
     """
     Add and parse arguments
@@ -140,6 +128,35 @@ def parse_args(parsers):
     return args
 
 
+def dict_to_parsers(action_dict):
+    """
+    Turn action dictionnary to parser and subparsers (2 level)
+    
+    Keyword arguments:
+        action_dict -- Multi-level dictionnary of categories/actions list
+    
+    Returns: 
+        Dictionnrary of parsers
+
+    """
+    # Intialize parsers
+    parsers = subparsers_category = subparsers_action = {}
+    parsers['general'] = argparse.ArgumentParser()
+    subparsers = parsers['general'].add_subparsers()
+
+    # Compute dictionnary
+    for category, info in action_dict.items():
+        subparsers_category[category] = subparsers.add_parser(category, help=info['help'])
+        subparsers_action[category] = subparsers_category[category].add_subparsers()
+        for action, helper in info['actions'].items():
+            parsers[category + '_' + action] = subparsers_action[category].add_parser(action, help=helper)
+            parsers[category + '_' + action].set_defaults(
+                func=str_to_func('yunohost_' + category + '.' 
+                                 + category + '_' + action)) 
+
+    return parsers
+
+
 def main():
     """ Main instructions """ 
     try: