diff --git a/libcontainer/user/user_deprecated.go b/libcontainer/user/user_deprecated.go
index feab393b87d..70a07cda3c0 100644
--- a/libcontainer/user/user_deprecated.go
+++ b/libcontainer/user/user_deprecated.go
@@ -1,3 +1,7 @@
+// Package user is an alias for [github.com/moby/sys/user]
+//
+// Deprecated: use [github.com/moby/sys/user].
+
 package user
 
 import (