Update README.md

Karan Goel · Karan Goel · commit bce1727431c5 · 2013-07-24T15:45:50.000+05:30
diff --git a/README.md b/README.md
@@ -315,7 +315,7 @@ Graphics and Multimedia
 
 ===============================================
 
-Source
+Sources
 =======
 
 [Martyr2’s Mega Project List](http://www.dreamincode.net/forums/topic/78802-martyr2s-mega-project-ideas-list/)
