Update task.md

typo

1-js/06-advanced-functions/09-call-apply-decorators/04-throttle/task.md

@@ -25,7 +25,7 @@ Visually, it will look like this:
 1. For the first mouse movement the decorated variant passes the call to `update`. That's important, the user sees our reaction to their move immediately.
 2. Then as the mouse moves on, until `100ms` nothing happens. The decorated variant ignores calls.
 3. At the end of `100ms` -- one more `update` happens with the last coordinates. 
-4. Then, finally, the mouse stops somewhere. The decorated variant waits until `100ms` expire and then runs `update` runs with last coordinates. So, perhaps the most important, the final mouse coordinates are processed.
+4. Then, finally, the mouse stops somewhere. The decorated variant waits until `100ms` expire and then runs `update` with last coordinates. So, perhaps the most important, the final mouse coordinates are processed.
 
 A code example: