[gtksourceview] docs: empty lines are not indented by gtk_source_view_indent_lines()

[Sébastien Wilmet <swilmet src gnome org>]

commit 408c448901d6ce99eec041b9616a208803872f8a
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sat Sep 9 12:36:27 2017 +0200

    docs: empty lines are not indented by gtk_source_view_indent_lines()

 gtksourceview/gtksourceview.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtksourceview/gtksourceview.c b/gtksourceview/gtksourceview.c
index f68cc29..4d6efb3 100644
--- a/gtksourceview/gtksourceview.c
+++ b/gtksourceview/gtksourceview.c
@@ -3161,8 +3161,8 @@ get_indent_string (guint tabs,
  * @start: #GtkTextIter of the first line to indent
  * @end: #GtkTextIter of the last line to indent
  *
- * Insert one indentation level at the beginning of the
- * specified lines.
+ * Inserts one indentation level at the beginning of the specified lines. The
+ * empty lines are not indented.
  *
  * Since: 3.16
  */