timeline: Comment some variables goals

diff --git a/ges/ges-timeline.c b/ges/ges-timeline.c
index 2eef9e4..bee7007 100644 (file)
--- a/ges/ges-timeline.c
+++ b/ges/ges-timeline.c
@@ -158,6 +158,8 @@ struct _GESTimelinePrivate
 
   gboolean updates_enabled;
 
+  /* While we are creating and adding the TrackElements for a clip, we need to
+   * ignore the child-added signal */
   GESClip *ignore_track_element_added;
 };