diff --git a/Makefile b/Makefile
index 3480c2265b45..ae568db8ae50 100644
--- a/Makefile
+++ b/Makefile
@@ -75,6 +75,8 @@
 # developer convenience only.  They are intentionally not documented and
 # completely subject to change without notice.
 #
+# For more information, see the build(7) manual page.
+#
 TGTS=	all all-man buildenv buildenvvars buildkernel buildworld \
 	check-old check-old-dirs check-old-files check-old-libs \
 	checkdpadd clean cleandepend cleandir \