[release-notes/gnome-3-18] Missing comma

[Piotr Drąg <piotrdrag src gnome org>]

commit 11d3eb43525efb3737572e3d0af75ddf58a3021b
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Sep 15 16:00:14 2015 +0200

    Missing comma

 help/C/developers.page |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/help/C/developers.page b/help/C/developers.page
index 9ab16a6..6c2640e 100644
--- a/help/C/developers.page
+++ b/help/C/developers.page
@@ -46,7 +46,7 @@
     <media type="image" src="figures/placeholder.png"/>
     <p>There are a number of improvements to GTK+ in &gnomeversion;:</p>
     <list>
-      <item><p>A new tool, called <code>gtk-builder-tool</code> allows GtkBuilder UI files to be validated 
and simplified.</p></item>
+      <item><p>A new tool, called <code>gtk-builder-tool</code>, allows GtkBuilder UI files to be validated 
and simplified.</p></item>
       <item><p>&gnomeversion; includes a raft of new typographic features, including colored underlines, 
letterspacing, font features and translucent font colors. It also includes support for custom font maps and 
font options. These features can be accessed using <link 
href="https://developer.gnome.org/pango/stable/PangoMarkupFormat.html";>Pango markup</link>.</p></item>
       <item><p>Output-only windows are now supported, using the <code>GtkOverlay::pass-through</code> 
property. This allows input to be directed to the correct window, and is useful when using floating 
information or decorative overlays.</p></item>
       <item><p><code>GtkGesture</code> now has built-in support for touchpad gestures (only available on 
Wayland).</p></item>