Added missing "cd" command (#5614)

* NGINX App Protect DoS references added

* Added missing cd command

docs/content/installation/installing-nic/installation-with-manifests.md

@@ -37,6 +37,16 @@ For example, if you want to use version 3.5.1, the command would be `git clone h
 
 This guide assumes you are using the latest release.
 
+Change the active directory.
+
+```shell
+cd kubernetes-ingress
+```
+
+### App Protect DoS
+
+To use App Protect DoS, install the App Protect DoS Arbitrator using the provided manifests in the same namespace as the NGINX Ingress Controller. If you install multiple NGINX Ingress Controllers in the same namespace, they will need to share the same Arbitrator because there can only be one Arbitrator in a single namespace.
+
 ---
 
 ## Set up role-based access control (RBAC) {#configure-rbac}

docs/content/installation/nic-images/pulling-ingress-controller-image.md

@@ -60,7 +60,7 @@ To pull an image, follow these steps. Replace `<version-tag>` with the specific
    docker pull private-registry.nginx.com/nginx-ic-dos/nginx-plus-ingress:<version-tag>
    ```
 
-- For NGINX Plus Ingress Controller with NGINX App Protect WAF and DoS, run:
+- For NGINX Plus Ingress Controller with NGINX App Protect WAF and NGINX App Protect DoS, run:
 
    ```shell
    docker pull private-registry.nginx.com/nginx-ic-nap-dos/nginx-plus-ingress:<version-tag>