diff --git a/gnu/usr.bin/dialog/dialog.1 b/gnu/usr.bin/dialog/dialog.1
index 4390d06e905..aae60a3d5ff 100644
--- a/gnu/usr.bin/dialog/dialog.1
+++ b/gnu/usr.bin/dialog/dialog.1
@@ -221,6 +221,9 @@ or
 is exited by pressing the
 .I ESC
 key, the exit status is -1.
+.SH SEE ALSO
+.Xr dialog 3
+
 .SH BUGS
 Text files containing
 .I tab