diff --git a/doc/mnh.7 b/doc/mnh.7
index df7fe5856..23c684925 100644
--- a/doc/mnh.7
+++ b/doc/mnh.7
@@ -1,5 +1,16 @@
+.\"DO NOT REMOVE NH_DATESUB .TH MAKEDEFS 6 "Date(%-d %B %Y)" Project(uc)
 .\" $NHDT-Branch: NetHack-3.6.2 $:$NHDT-Revision: 1.0 $ $NHDT-Date: 1541298620 2018/11/04 02:30:20 $
-.TH MNH 7 NETHACK
+.TH MNH 7 "4 November 2018" NETHACK
+.\"DO NOT REMOVE NH_DATESUB .ds Nd Date(%Y)
+.ds Nd 2018
+.de NB
+.ds Nb \\$2
+..
+.de NR
+.ds Nr \\$2
+..
+.NB $NHDT-Branch: NetHack-3.6.2 $
+.NR $NHDT-Revision: 1.0 $
 .SH NAME
 mnh \- additional text formatting macros for the NetHack Guidebook
 .SH SYNOPSIS