[gtksourceview] CompletionContainer: fix overview comment

[Sébastien Wilmet <swilmet src gnome org>]

commit 3a27f6d5af6f907705a075597c9f0321fadc8c78
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu May 19 07:16:54 2016 +0200

    CompletionContainer: fix overview comment
    
    The scrollbars size are no longer taken into account, since overlay
    scrollbars are used. The comment was not updated. But I still think the
    comment is useful.

 gtksourceview/gtksourcecompletioncontainer.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtksourceview/gtksourcecompletioncontainer.c b/gtksourceview/gtksourcecompletioncontainer.c
index 7ff5cea..db138ac 100644
--- a/gtksourceview/gtksourcecompletioncontainer.c
+++ b/gtksourceview/gtksourcecompletioncontainer.c
@@ -24,7 +24,7 @@
  * the completion proposals. If the GtkTreeView is small enough, the scrolled
  * window returns the natural size of the GtkTreeView. If it exceeds a certain
  * size, the scrolled window returns a smaller size, with the height at a row
- * boundary of the GtkTreeView (plus the size of the scrollbar(s) if needed).
+ * boundary of the GtkTreeView.
  *
  * The purpose is to have a compact completion window, with a certain size
  * limit.