diff --git a/share/man/man5/mk.conf.5 b/share/man/man5/mk.conf.5
index ab18e32547f9..72b5054fdca9 100644
--- a/share/man/man5/mk.conf.5
+++ b/share/man/man5/mk.conf.5
@@ -1,4 +1,4 @@
-.\"	$NetBSD: mk.conf.5,v 1.103 2023/06/11 20:33:46 lukem Exp $
+.\"	$NetBSD: mk.conf.5,v 1.104 2023/06/14 01:16:28 rin Exp $
 .\"
 .\"  Copyright (c) 1999-2023 The NetBSD Foundation, Inc.
 .\"  All rights reserved.
@@ -27,7 +27,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 .\" POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd June 11, 2023
+.Dd June 14, 2023
 .Dt MK.CONF 5
 .Os
 .\" turn off hyphenation
@@ -747,6 +747,12 @@ will be installed.
 .NODEF NODOC
 .NOVAR MKSHARE=no
 .DFLTy
+.Pp
+.Em Note :
+see also
+.Pa src/sys/rump/README.compileopts
+for variables used during the build of the
+.Xr rump 3 .
 .
 .It Sy MKDTB
 .YorN
@@ -767,6 +773,12 @@ on other platforms.
 .YorN
 Indicates whether the Device Tree Compiler (dtc) will be built and installed.
 .DFLTy
+.Pp
+.Em Note :
+see also
+.Pa src/sys/rump/README.compileopts
+for variables used during the build of the
+.Xr rump 3 .
 .
 .It Sy MKDTRACE
 .YorN