Change multinode MPI heading

kubernetes/README.md

@@ -80,7 +80,7 @@ kubectl get services --namespace=haproxy-controller
 
 The model instances may be accessed from any UM-Bridge client, and up to `replicas` requests will be handled in parallel.
 
-# Multinode MPI on Cloud HPC
+# Multinode MPI on kubernetes
 
 The instructions above work for any UM-Bridge model container, even ones that are MPI parallel. However, a single container is naturally limited to a single physical node. In order to parallelize across nodes (and therefore across containers) via MPI, the additional steps below are needed.