Update configuration.md

fix ip-group

Author: ohad-perets

content/nap-waf/v5/configuration-guide/configuration.md

@@ -37,7 +37,7 @@ For more information on the NGINX App Protect WAF security features, see [NGINX
 |[gRPC Protection](#grpc-protection-for-unary-traffic) | gRPC content profile detects malformed content, parses well-formed content, and extracts the text fields for detecting attack signatures and disallowed meta-characters. In addition, it enforces size restrictions and prohibition of unknown fields. The Interface Definition Language (IDL) files for the gRPC API must be attached to the profile. gRPC protection can be on [unary](#grpc-protection-for-unary-traffic) or [bidirectional](#grpc-protection-for-bidirectional-streaming) traffic.|
 |[Secure Traffic Between NGINX and App Protect Enforcer using mTLS](#secure-traffic-between-nginx-and-app-protect-enforcer-using-mtls) | Disabled by default. You can manually configure mTLS to secure the traffic between NGINX and App Protect Enforcer.|
 |[Brute Force Attack Preventions](#brute-force-attack-preventions) | Configure brute-force-attack-preventions parameters to secured areas of a web application from brute force attacks.|
-|[IP Address Lists](#ip-groups) | Configure IP Address Lists feature to organize lists of allowed and forbidden IP addresses across several lists with common attributes.|
+|[IP Address Lists](#ip-address-lists) | Configure IP Address Lists feature to organize lists of allowed and forbidden IP addresses across several lists with common attributes.|
 |[IP Intelligence](#ip-intelligence-configuration) | Configure the IP Intelligence feature to customize enforcement based on the source IP of the request, limiting access from IP addresses with questionable reputation.|
 
 ### Disallowed File Types