[empathy] document EmpathyTpTube object

[Guillaume Desmottes <gdesmott src gnome org>]

commit ffe14c2ff520c3a561e4cac20510e23f70127a1d
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Mon Apr 27 11:33:19 2009 +0100

    document EmpathyTpTube object
---
 libempathy/empathy-tp-tube.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/libempathy/empathy-tp-tube.c b/libempathy/empathy-tp-tube.c
index b2ca940..717c468 100644
--- a/libempathy/empathy-tp-tube.c
+++ b/libempathy/empathy-tp-tube.c
@@ -77,6 +77,13 @@ typedef struct {
  * #EmpathyTpTube is a convenient object wrapping a Telepathy tube channel.
  */
 
+/**
+ * EmpathyTpTube:
+ * @parent: parent object
+ *
+ * An object wrapping a Telepathy tube channel.
+ */
+
 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyTpTube)
 typedef struct
 {