fix: typo (#157)

Author: amandeepmittal

documentation/docs/3_Guides/3_6_UsingFlipper.md

@@ -4,7 +4,7 @@ title: Using Flipper 🐛
 ---
 
 Flipper is a debugger for React native and, with a plugin, for redux too.
-All you have to do is download [Flipper](https://fbflipper.com/). Afterinstalling it, in Flipper desktop client do:
+All you have to do is download [Flipper](https://fbflipper.com/). After installing it, in Flipper desktop client do:
 
 ```
 Manage Plugins > Install Plugins > search "redux-debugger" > Install
@@ -13,4 +13,4 @@ Manage Plugins > Install Plugins > search "redux-debugger" > Install
 That'is !
 <div align="center">
     <img src={require('../assets/Flipper.png').default} />
-</div>
+</div>