diff --git a/odoo/modules/migration.py b/odoo/modules/migration.py
index 7f86b73a0da..78025cbfa11 100644
--- a/odoo/modules/migration.py
+++ b/odoo/modules/migration.py
@@ -25,8 +25,8 @@ class MigrationManager(object):
         function. Theses files must respect a directory tree structure: A 'migrations' folder
         which containt a folder by version. Version can be 'module' version or 'server.module'
         version (in this case, the files will only be processed by this version of the server).
-        Python file names must start by `pre` or `post` and will be executed, respectively,
-        before and after the module initialisation. `end` scripts are run after all modules have
+        Python file names must start by `pre-` or `post-` and will be executed, respectively,
+        before and after the module initialisation. `end-` scripts are run after all modules have
         been updated.
         Example:
             <moduledir>