Update README.md

Author: ui-ninja

README.md

@@ -7,6 +7,8 @@ Also the <AirbnbRating /> component, does not support fractions.
 
 This package works perfectly on android's TouchableOpacity, support icons from Ionicons and also support fractions.
 
+Please note: This package depends on [react-native-vector-icons](https://oblador.github.io/react-native-vector-icons/). Please install and configure it before using this package.
+
 ## Installation
 
 Use the package manager npm to install react-native-rating-element.