fix readme

Author: Wonday

README.md

@@ -15,7 +15,7 @@ A react-native module that can listen on orientation changing of device, get cur
 
 v1.3.0 **BREAKING CHANGES**
 1. Add support for Window
-2. modify sample project
+2. Modify sample project
 3. Updates Tyescript define
 
 v1.2.0 **BREAKING CHANGES**