[goffice] Introspection: colon fix.

[Morten Welinder <mortenw src gnome org>]

commit 0853012eb6fae18efeb71a18b7aa65eacc16e504
Author: Morten Welinder <terra gnome org>
Date:   Mon Feb 25 18:59:32 2013 -0500

    Introspection: colon fix.

 goffice/graph/gog-plot-engine.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/goffice/graph/gog-plot-engine.c b/goffice/graph/gog-plot-engine.c
index 1ec3dd5..10b5529 100644
--- a/goffice/graph/gog-plot-engine.c
+++ b/goffice/graph/gog-plot-engine.c
@@ -719,7 +719,7 @@ create_plot_families (void)
 /**
  * gog_plot_families: (skip)
  *
- * Returns: (transfer none) the registered plot families.
+ * Returns: (transfer none): the registered plot families.
  */
 GHashTable const *
 gog_plot_families (void)