[dconf-editor] Fix AppData format.

[Arnaud Bonatti <arnaudb src gnome org>]

commit 9350e68d0d103f92621d3ba2b3c2a50e7dff850c
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Thu Aug 18 16:08:42 2016 +0200

    Fix AppData format.

 editor/ca.desrt.dconf-editor.appdata.xml.in |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/editor/ca.desrt.dconf-editor.appdata.xml.in b/editor/ca.desrt.dconf-editor.appdata.xml.in
index 1f30c84..7c53a31 100644
--- a/editor/ca.desrt.dconf-editor.appdata.xml.in
+++ b/editor/ca.desrt.dconf-editor.appdata.xml.in
@@ -22,11 +22,11 @@
   <screenshots>
     <screenshot type="default" height="576" width="1024">
       <image>https://git.gnome.org/browse/dconf-editor/plain/editor/screenshot1.png</image>
-      <_caption>Browse the keys used by installed applications.</_caption>
+      <_caption>Browse the keys used by installed applications</_caption>
     </screenshot>
     <screenshot type="default" height="576" width="1024">
       <image>https://git.gnome.org/browse/dconf-editor/plain/editor/screenshot2.png</image>
-      <_caption>Read keys descriptions and edit their values.</_caption>
+      <_caption>Read keys descriptions and edit their values</_caption>
     </screenshot>
   </screenshots>