[libgda/LIBGDA_4.2] Correction for bug #662279

[Vivien Malerba <vivien src gnome org>]

commit 1af03d91feb8b0905f008ae8e98c5c340956546c
Author: Vivien Malerba <malerba gnome-db org>
Date:   Thu Oct 20 18:22:40 2011 +0200

    Correction for bug #662279

 libgda/gda-connection.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/libgda/gda-connection.c b/libgda/gda-connection.c
index f2dfad4..f7cd503 100644
--- a/libgda/gda-connection.c
+++ b/libgda/gda-connection.c
@@ -3356,9 +3356,10 @@ gda_connection_execute_select_command (GdaConnection *cnc, const gchar *sql, GEr
  * @sql: a query statement that must not begin with "SELECT"
  * @error: a place to store errors, or %NULL
  *
- * This is a convenience function to execute a SQL command over the opened connection.
+ * This is a convenience function to execute a SQL command over the opened connection. For the
+ * returned value, see gda_connection_statement_execute_non_select()'s documentation.
  *
- * Returns: the number of rows affected or -1
+ * Returns: the number of rows affected or -1, or -2
  *
  * Since: 4.2.3
  */