Update api.md (#710)

Injecting the state into a component will rerender the component on every state change instead of every action.

Also see issue #709

Author: ghost23

docs/api.md

@@ -151,7 +151,7 @@ export default connect(null, actionCreators)(TodoApp)
 
 ##### Inject `dispatch` and every field in the global state
 
->Don’t do this! It kills any performance optimizations because `TodoApp` will rerender after every action.  
+>Don’t do this! It kills any performance optimizations because `TodoApp` will rerender after every state change.  
 >It’s better to have more granular `connect()` on several components in your view hierarchy that each only  
 >listen to a relevant slice of the state.