update description of Personalization

Author: Joker

README.md

@@ -23,7 +23,7 @@
 [Game](categories/game.md) | All games for Android. 
 [Multi-Media](categories/multi_media.md) | Apps like Google Play Music, MX Player... 
 [News & Magazines](categories/news_and_magazines.md) | Apps about news and magazines. 
-[Personalization](categories/personalization.md) | Apps like live-wallpaper, launcher... 
+[Personalization](categories/personalization.md) | Apps about live-wallpaper, launcher... 
 [Productivity](categories/productivity.md) | Apps like Any.Do, EverNote... 
 [Social Network](categories/social_network.md) | Apps like Twitter, Facebook, Github, Dribble... 
 [Tools](categories/tools.md) | Apps like Clean Master, Barcode Scanner, Keyboard...