--- a/src/pyams_content/component/gallery/interfaces/__init__.py	Wed Feb 07 11:50:51 2018 +0100
+++ b/src/pyams_content/component/gallery/interfaces/__init__.py	Wed Feb 07 11:51:15 2018 +0100
@@ -99,7 +99,12 @@
                       vocabulary='PyAMS gallery renderers')
 
     def append(self, value, notify=True):
-        """Append new file to gallery"""
+        """Append new file to gallery
+
+        @param value: the media object to append
+        @param boolean notify: if 'False', the given value object is pre-located so that
+            adding events are not notified
+        """
 
     def get_visible_medias(self):
         """Get iterator over visible medias"""