[lightsoff] appdata: add another paragraph to pass validate

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 856cd890a664eb19b89ef26978c393ef94f3ae16
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Oct 5 14:53:45 2013 -0500

    appdata: add another paragraph to pass validate

 data/lightsoff.appdata.xml.in |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/data/lightsoff.appdata.xml.in b/data/lightsoff.appdata.xml.in
index 19aeace..c29bb55 100644
--- a/data/lightsoff.appdata.xml.in
+++ b/data/lightsoff.appdata.xml.in
@@ -9,6 +9,10 @@
    toggles it either on or off, but also toggles all the surrounding lights,
    too. Your objective is simple: turn off all the lights!
   </_p>
+  <_p>
+   Players who delight in turning off lights will enjoy the huge number of
+   levels.
+  </_p>
  </description>
  <screenshots>
   <_screenshot type="default" width="381" 
height="543">https://people.gnome.org/~mcatanzaro/lightsoff.png</_screenshot>