Fixing a typo

Author: Nopik

packages/ember-runtime/lib/computed/reduce_computed_macros.js

@@ -586,7 +586,7 @@ function binarySearch(array, item, low, high) {
   ]});
 
   todoList.get('sortedTodos'); // [{name:'Documentation', priority:3}, {name:'Release', priority:1}, {name:'Unit Test', priority:2}]
-  todoList.get('priroityTodos'); // [{name:'Release', priority:1}, {name:'Unit Test', priority:2}, {name:'Documentation', priority:3}]
+  todoList.get('priorityTodos'); // [{name:'Release', priority:1}, {name:'Unit Test', priority:2}, {name:'Documentation', priority:3}]
   ```
 
   @method computed.sort