[glib] Fix a typo

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 026368add7e7dd5b8e7f6857488e6578774275a4
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Thu Apr 7 08:43:24 2016 -0500

    Fix a typo

 glib/gdate.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glib/gdate.c b/glib/gdate.c
index 92c34d2..bea2448 100644
--- a/glib/gdate.c
+++ b/glib/gdate.c
@@ -732,7 +732,7 @@ g_date_get_monday_week_of_year (const GDate *d)
  * @date: a #GDate
  *
  * Returns the week of the year during which this date falls, if
- * weeks are understood to being on Sunday. The date must be valid.
+ * weeks are understood to begin on Sunday. The date must be valid.
  * Can return 0 if the day is before the first Sunday of the year.
  *
  * Returns: week number