Update README.md

Author: Hirbod

README.md

@@ -25,7 +25,7 @@ New versions will be announced through the official community. Stay tuned!
 v.1.3.1
 - Fixed #630 (no google-volley dependencies anymore, increase start-up speed)
 - Better URL Support on iOS for KML and GroundOverlay (support for any valid NSURL resource)
-- Changed all http class to https
+- Changed all http calls to https
 - Updated Google Maps iOS SDK to 1.10.2
 
 **INFORMATION**