fix major language error of Pie Noon

Author: Joker

README.md

@@ -39,7 +39,7 @@ App Name                   | Describe                  | Major Language
 :------------------------: | :------------------------ | :------------------------: | :------------------------: 
 [2048-android](https://github.com/uberspot/2048-android) | The android port of the 2048 game (for offline playing) | Java | [![Get it on Google Play](https://developer.android.com/images/brand/en_app_rgb_wo_45.png)](https://play.google.com/store/apps/details?id=com.uberspot.a2048)   
 [Chase Whisply](https://github.com/tvbarthel/ChaseWhisplyProject) | an augmented reality attempt | Java | [![Get it on Google Play](https://developer.android.com/images/brand/en_app_rgb_wo_45.png)](https://play.google.com/store/apps/details?id=fr.tvbarthel.games.chasewhisply)   
-[Pie Noon](https://github.com/google/pienoon) | Multiplayer party game where you can throw pies at your friends. http://google.github.io/pienoon | Java | [![Get it on Google Play](https://developer.android.com/images/brand/en_app_rgb_wo_45.png)](https://play.google.com/store/apps/details?id=com.google.fpl.pie_noon)   
+[Pie Noon](https://github.com/google/pienoon) | Multiplayer party game where you can throw pies at your friends. http://google.github.io/pienoon | C++ | [![Get it on Google Play](https://developer.android.com/images/brand/en_app_rgb_wo_45.png)](https://play.google.com/store/apps/details?id=com.google.fpl.pie_noon)   
 
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