Update mobile

mobile.md

@@ -1,4 +1,4 @@
-Isleward is only fully supported on Chrome/Android at the moment. while iOS does work at the moment, there are some issues with it.
+Isleward is only fully supported on Chrome/Android at the moment. While iOS does work at the moment, there are some issues with it.
 
 How to play:
 1. Navigate to https://play.isleward.com/ on your mobile device