Fix broken link to Matrix User Verification Service

docs/configuring-playbook.md

@@ -99,7 +99,7 @@ When you're done with all the configuration you'd like to do, continue with [Ins
 
 - [Setting up Matrix Corporal](configuring-playbook-matrix-corporal.md) (optional, advanced)
 
-- [Matrix User Verification Service](docs/configuring-playbook-user-verification-service.md) (optional, advanced)
+- [Matrix User Verification Service](configuring-playbook-user-verification-service.md) (optional, advanced)
 
 
 ### Bridging other networks