fixed compiler link

Author: dkleinF5

content/waf/configure/compiler.md

@@ -34,7 +34,7 @@ To complete this guide, you will need the following prerequisites:
 
 - An active F5 WAF for NGINX subscription. Available from [MyF5](https://my.f5.com/manage/s/) (Purchased or trial).
   - Download the [SSL certificate and private key]({{< ref "/waf/install/compiler.md#Download your subscription credentials" >}}) associated with your  F5 NGINX App Protect WAF subscription from the MyF5 Customer Portal.
-- [Docker registry credentials]({{< ref "/waf/configure/compiler.md#Configure Docker for the F5 Container Registry" >}}) are needed to access private-registry.nginx.com
+- [Docker registry credentials](configure-docker-for-the-f5-container-registry) are needed to access private-registry.nginx.com
 - [Docker](https://docs.docker.com/get-started/get-docker/)
 
 ## Download your subscription credentials