Add a clarifying comment

avatar/views.py

@@ -140,6 +140,7 @@ def delete(request, extra_context={}, next_override=None, *args, **kwargs):
         if delete_avatar_form.is_valid():
             ids = delete_avatar_form.cleaned_data['choices']
             if unicode(avatar.id) in ids and avatars.count() > len(ids):
+                # Find the next best avatar, and set it as the new primary
                 for a in avatars:
                     if unicode(a.id) not in ids:
                         a.primary = True