[empathy] fix typo in comment

[Guillaume Desmottes <gdesmott src gnome org>]

commit 47ecf4b12ab06848e3fcb685529f85df3ec3d045
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Tue Nov 30 12:51:58 2010 +0100

    fix typo in comment

 libempathy-gtk/empathy-sound-manager.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libempathy-gtk/empathy-sound-manager.c b/libempathy-gtk/empathy-sound-manager.c
index 87118e1..008f664 100644
--- a/libempathy-gtk/empathy-sound-manager.c
+++ b/libempathy-gtk/empathy-sound-manager.c
@@ -73,7 +73,7 @@ G_DEFINE_TYPE (EmpathySoundManager, empathy_sound_manager, G_TYPE_OBJECT)
 
 struct _EmpathySoundManagerPrivate
 {
-  /* An hash table containing currently repeating sounds. The format is the
+  /* A hash table containing currently repeating sounds. The format is the
    * following:
    * Key: An EmpathySound
    * Value : The EmpathyRepeatableSound associated with that EmpathySound. */