[telepathy-gabble/master] Improve comment

[Sjoerd Simons]

---
 src/media-stream.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/src/media-stream.c b/src/media-stream.c
index 2ed1c6c..e6ea54f 100644
--- a/src/media-stream.c
+++ b/src/media-stream.c
@@ -1240,7 +1240,9 @@ gabble_media_stream_codecs_updated (TpSvcMediaStreamHandler *iface,
 
   if (self->priv->awaiting_intersection)
     {
-      /* If we're awaiting the intersection ignore codecs updated */
+      /* When awaiting an intersection the initial set of codecs should be set
+       * by calling SupportedCodecs as that is the canonical set of codecs,
+       * updates are only meaningful afterwards */
       tp_svc_media_stream_handler_return_from_codecs_updated (context);
       return;
     }
-- 
1.5.6.5