updated the readme

copy/edit fixed spelling error

Author: Shilla

docs/operations/README.md

@@ -1,6 +1,6 @@
 # Operations guide to resources
 
-This guide will show you where nodes, and k8s clusters are stored and their heirarchy.
+This guide will show you where nodes, and k8s clusters are stored and their hierarchy.
 
 ## Production
 
@@ -13,4 +13,4 @@ Production k8s cluster is available on linode datacenter.
 
 Pre Production k8s cluster is available on linode datacenter.
 
-`chime-bus`
+`chime-bus`