fix: update docs as per review

Author: thameezb

docs/sources/gateway.md

@@ -85,7 +85,7 @@ The targets from each parent Gateway matching the *Route are then combined and d
 
 Gateway resources may be served from an external-loadbalancer which may support both IPv4 and "dualstack" (both IPv4 and IPv6) interfaces.
 External DNS Controller uses the `external-dns.alpha.kubernetes.io/dualstack` annotation to determine this. If this annotation is
-set to `true` then ExternalDNS will create two alias records (one A record
+set to `true` then ExternalDNS will create two records (one A record
 and one AAAA record) for each hostname associated with the Route resource.
 
 Example:
@@ -95,17 +95,11 @@ apiVersion: gateway.networking.k8s.io/v1
 kind: HTTPRoute
 metadata:
   annotations:
-    konghq.com/strip-path: "true"
     external-dns.alpha.kubernetes.io/dualstack: "true"
   name: echo
 spec:
   hostnames:
     - echoserver.example.org
-  parentRefs:
-    - group: gateway.networking.k8s.io
-      kind: Gateway
-      name: kong
-      namespace: kong
   rules:
     - backendRefs:
         - group: ""