Merge pull request #37599 from Mohitkumar6122/Local

Update nw-networkpolicy-about.adoc

Author: bergerhoffer

modules/nw-networkpolicy-about.adoc

@@ -39,7 +39,7 @@ apiVersion: networking.k8s.io/v1
 metadata:
   name: deny-by-default
 spec:
-  podSelector:
+  podSelector: {}
   ingress: []
 ----
 
@@ -75,7 +75,7 @@ apiVersion: networking.k8s.io/v1
 metadata:
   name: allow-same-namespace
 spec:
-  podSelector:
+  podSelector: {}
   ingress:
   - from:
     - podSelector: {}