diff --git a/src/core/config/tmf.h b/src/core/config/tmf.h
index cf3c06216..538ccaf25 100644
--- a/src/core/config/tmf.h
+++ b/src/core/config/tmf.h
@@ -213,6 +213,7 @@
 #endif
 
 /**
+ * @def OPENTHREAD_CONFIG_TMF_PROXY_MLR_ENABLE
  *
  * This setting configures the Multicast Listener Registration parent proxing in Thread 1.2.
  *