Update README.md

Author: vimfung

README.md

@@ -4,7 +4,8 @@ Use it can be easily applied the Lua script on iOS, Android, OS X, and provides
 
 ## How to use
 
-### iOS / OS X
+----------
+### iOS / OS X Platform
 
 **Integrated**
 
@@ -75,8 +76,8 @@ LSCValue *value = [self.context callMethodWithName:@"add"
                                                      [LSCValue integerValue:24]]];
 NSLog(@"result = %@", [value toNumber]);
 ```
-
-### Android
+----------
+### Android Platform
 
 **Integrated**