fix: setup-waf-config-management.md

Author: vvnginx

content/nim/nginx-app-protect/setup-waf-config-management.md

@@ -270,7 +270,7 @@ error when creating the nginx repo retriever - NGINX repo certificates not found
 
 If needed, you can also [install the WAF compiler manually](#install-the-waf-compiler).
 
-## Install the WAF compiler in a disconnected environment
+## Install/Update the WAF compiler in a disconnected environment
 
 To install the WAF compiler on a system without internet access, complete these steps: