Merge pull request reduxjs#694 from jacksonhoose/patch-1

Update ExampleTodoList.md

Author: gaearon

docs/basics/ExampleTodoList.md

@@ -37,7 +37,7 @@ React.render(
 
 export const ADD_TODO = 'ADD_TODO';
 export const COMPLETE_TODO = 'COMPLETE_TODO';
-export const SET_VISIBILITY_FILTER = 'SET_VISIBILITY_FILTER'
+export const SET_VISIBILITY_FILTER = 'SET_VISIBILITY_FILTER';
 
 /*
  * other constants