[recipes] Update appdata

[Matthias Clasen <matthiasc src gnome org>]

commit 3dce9098dd41d27b55f7b3dc981bbeaa79031c13
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jan 6 21:37:40 2017 -0500

    Update appdata

 data/appdata/org.gnome.Recipes.appdata.xml.in |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/data/appdata/org.gnome.Recipes.appdata.xml.in b/data/appdata/org.gnome.Recipes.appdata.xml.in
index bb2add8..47eaec9 100644
--- a/data/appdata/org.gnome.Recipes.appdata.xml.in
+++ b/data/appdata/org.gnome.Recipes.appdata.xml.in
@@ -52,7 +52,8 @@
           <li>Recipe instructions can link to other recipes</li>
           <li>Recipe instructions can include links that switch to a particular image</li>
           <li>All recipe lists are now populated incrementally</li>
-          <li>We show a 'built with GNOME Builder' logo in the about dialog</li>
+          <li>We show a 'built with GNOME Builder' logo in the About dialog</li>
+          <li>The About dialog gained a 'System' tab</li>
         </ul>
       </description>
     </release>