Update README.rst

Author: arodoni

networking/external-access-load-balancer-deploy/README.rst

@@ -299,7 +299,7 @@ Shut down Confluent Platform and the data:
 
 ::
 
-  kubectl delete -f $TUTORIAL_HOM/confluent-platform.yaml
+  kubectl delete -f $TUTORIAL_HOME/confluent-platform.yaml
 
 ::