typo

redhat/ocp4/4.14/4.14.net.observ.md

@@ -281,7 +281,7 @@ then, we create backend http service, and introduce network latency by 1s.
 
 ```bash
 
-# on 6.8
+# on backend host, 172.21.6.8
 # create a web service
 python3 -m http.server 13000
 # ...