diff --git a/advanced/p4-upf.rst b/advanced/p4-upf.rst
index 92cc91f..77ce957 100644
--- a/advanced/p4-upf.rst
+++ b/advanced/p4-upf.rst
@@ -238,6 +238,8 @@
     provide the ``"dbuf"`` part of the UP4 config. That will be pushed
     automatically by the DBUF Kubernetes pod.
 
+.. _pfcp_agent_config:
+
 PFCP Agent Configuration
 ------------------------