quick-fix:fixes typo

Author: JoeAldinger

modules/nw-networkpolicy-optimize-ovn.adoc

@@ -135,9 +135,9 @@ To allow access to external IPs across namespaces, create a `NetworkPolicy` CR t
     policyTypes:
     - Ingress
 ----
-+
-Where::
-`<policy_name>`: Specifies your name for the policy.
-`<my_namespace>`: Specifies the name of the namespace where the policy is deployed.
+where:
+
+`<policy_name>`:: Specifies your name for the policy.
+`<my_namespace>`:: Specifies the name of the namespace where the policy is deployed.
 
 For more details, see "About network policy".