Fix a typo in controllers/job.md

A correct name for a framework is Horovod

Author: lezeroq

content/en/docs/concepts/workloads/controllers/job.md

@@ -1078,7 +1078,7 @@ and `.spec.completions` together such that `.spec.parallelism == .spec.completio
 When scaling down, Kubernetes removes the Pods with higher indexes.
 
 Use cases for elastic Indexed Jobs include batch workloads which require 
-scaling an indexed Job, such as MPI, Horovord, Ray, and PyTorch training jobs.
+scaling an indexed Job, such as MPI, Horovod, Ray, and PyTorch training jobs.
 
 ### Delayed creation of replacement pods {#pod-replacement-policy}