Updated documentation for configure-nginx-agent-group.md to follow new style updates per issue #228

Author: lucYang55

content/agent/configuration/configure-nginx-agent-group.md

@@ -13,7 +13,7 @@ doctypes: ["task"]
 
 During installation, NGINX Agent detects the NGINX user (typically `nginx`) for the master and worker processes and adds this user to a group called `nginx-agent`.
 
-If you change the NGINX username after installing the NGINX Agent, you'll need to add the new username to the `nginx-agent` group so that the NGINX socket has the proper permissions.
+If you change the NGINX username after installing NGINX Agent, you'll need to add the new username to the `nginx-agent` group so that NGINX socket has the proper permissions.
 
 A failure to update the `nginx-agent` group when the NGINX username changes may result in non-compliance errors for NGINX Plus.