Fix hyperlinks in Ingress concept (#43110)

* Fixed the Hyperlinks under the Ingress docs.

* Modified the hyperlink for Ingress spec.

Author: Shubham82

content/en/docs/concepts/services-networking/ingress.md

@@ -84,7 +84,7 @@ is the [rewrite-target annotation](https://github.com/kubernetes/ingress-nginx/b
 Different [Ingress controllers](/docs/concepts/services-networking/ingress-controllers) support different annotations.
 Review the documentation for your choice of Ingress controller to learn which annotations are supported.
 
-The Ingress [spec](https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status)
+The [Ingress spec](/docs/reference/kubernetes-api/service-resources/ingress-v1/#IngressSpec)
 has all the information needed to configure a load balancer or proxy server. Most importantly, it
 contains a list of rules matched against all incoming requests. Ingress resource only supports rules
 for directing HTTP(S) traffic.
@@ -94,8 +94,8 @@ should be defined.
 
 There are some ingress controllers, that work without the definition of a
 default `IngressClass`. For example, the Ingress-NGINX controller can be
-configured with a [flag](https://kubernetes.github.io/ingress-nginx/#what-is-the-flag-watch-ingress-without-class)
-`--watch-ingress-without-class`. It is [recommended](https://kubernetes.github.io/ingress-nginx/#i-have-only-one-instance-of-the-ingresss-nginx-controller-in-my-cluster-what-should-i-do)  though, to specify the
+configured with a [flag](https://kubernetes.github.io/ingress-nginx/user-guide/k8s-122-migration/#what-is-the-flag-watch-ingress-without-class)
+`--watch-ingress-without-class`. It is [recommended](https://kubernetes.github.io/ingress-nginx/user-guide/k8s-122-migration/#i-have-only-one-ingress-controller-in-my-cluster-what-should-i-do) though, to specify the
 default `IngressClass` as shown [below](#default-ingress-class).
 
 ### Ingress rules