[gdl] Small documentation fix

[Sebastien Granjoux <sgranjoux src gnome org>]

commit 873b07763b4f7b647adc3e9fe1f677a654febcc8
Author: SÃbastien Granjoux <seb sfo free fr>
Date:   Sun Jul 1 17:17:58 2012 +0200

    Small documentation fix

 gdl/gdl-dock-object.h |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/gdl/gdl-dock-object.h b/gdl/gdl-dock-object.h
index 0e83962..8436981 100644
--- a/gdl/gdl-dock-object.h
+++ b/gdl/gdl-dock-object.h
@@ -74,6 +74,12 @@ typedef enum {
     GDL_DOCK_IN_DETACH  = 1 << 3
 } GdlDockObjectFlags;
 
+/**
+ * GDL_DOCK_OBJECT_FLAGS_SHIFT:
+ *
+ * Minimum shift count to be used for user defined flags, to be stored in
+ * #GdlDockObject.flags.
+ */
 #define GDL_DOCK_OBJECT_FLAGS_SHIFT 8
 
 /**