Update README.md

Author: catalinmiron

README.md

@@ -1,6 +1,6 @@
 # CSS Gradient for LinearGradient
 
-CSS background image for React-Native.
+CSS background image for React-Native using `LinearGradient` from [Expo](https://expo.io).
 Supported backgrounds:
 - [linear-gradient](https://developer.mozilla.org/en-US/docs/Web/CSS/linear-gradient)
 - [repeating-linear-gradient](https://developer.mozilla.org/en-US/docs/Web/CSS/repeating-linear-gradient)
@@ -33,8 +33,6 @@ render() {
 }
 ```
 
-This library is working only with `LinearGradient` from [Expo](https://expo.io).
-
 TODO: Add fallback to `react-native-linear-gradient` package in case when Expo is missing.
 
 ### Props
@@ -48,4 +46,4 @@ TODO: Add fallback to `react-native-linear-gradient` package in case when Expo i
 
 ### About
 
-If you have questions please don't hesistate to contact me on [Twitter](http://twitter.com/mironcatalin).
+If you have questions please don't hesistate to contact me on [Twitter](http://twitter.com/mironcatalin).