(chore) fixing typo

README.md

@@ -131,7 +131,7 @@ Creates the Redux store, and allow `connect()` to access it.
 Connects an Angular component to Redux.
 
 #### Arguments
-* `mapStateToTarget` \(*Function*): connect will subscribe to Redux store updates. Any time it updates, mapStateToTarget will be called. Its result must be a plain object or a function returning a plaing object, and it will be merged into `target`. If you have a component which simply triggers actions without needing any state you can pass null to `mapStateToTarget`.
+* `mapStateToTarget` \(*Function*): connect will subscribe to Redux store updates. Any time it updates, mapStateToTarget will be called. Its result must be a plain object or a function returning a plain object, and it will be merged into `target`. If you have a component which simply triggers actions without needing any state you can pass null to `mapStateToTarget`.
 * [`mapDispatchToTarget`] \(*Object* or *Function*): Optional. If an object is passed, each function inside it will be assumed to be a Redux action creator. An object with the same function names, but bound to a Redux store, will be merged onto `target`. If a function is passed, it will be given `dispatch`. It’s up to you to return an object that somehow uses `dispatch` to bind action creators in your own way. (Tip: you may use the [`bindActionCreators()`](http://gaearon.github.io/redux/docs/api/bindActionCreators.html) helper from Redux.).
 
 *You then need to invoke the function a second time, with `target` as parameter:*