Update index.md

fix typo

docs/tasks/job/fine-parallel-processing-work-queue/index.md

@@ -30,7 +30,7 @@ Here is an overview of the steps in this example:
 
 ## Starting Redis
 
-For this example, for simplicitly, we will start a single instance of Redis.
+For this example, for simplicity, we will start a single instance of Redis.
 See the [Redis Example](https://git.k8s.io/kubernetes/examples/guestbook) for an example
 of deploying Redis scalably and redundantly.