fix typo

nextlevelshit · web-flow · commit 300ee176422c · 2018-02-25T12:41:39.000+01:00
diff --git a/README.md b/README.md
@@ -47,7 +47,7 @@ ionic serve
 ```
 
 ### Run app in production mode
-3. Add a iOS or Android platform to your project: 
+3. Add an iOS or Android platform to your project: 
 ```bash
 ionic cordova platform add ios 
 # or 
