diff --git a/doc/makedefs.txt b/doc/makedefs.txt
index 08ca2c9ef..8d6c85bc1 100644
--- a/doc/makedefs.txt
+++ b/doc/makedefs.txt
@@ -30,13 +30,17 @@ SHORT COMMANDS
               through the same logic as that used by the --grep  command;  see
               the MDGREP FUNCTIONS section below for details.
 
-       -m     Generate  date.h and options file. It will read dat/gitinfo.txt,
+       -c     Generate  date.h and options file. It will read dat/gitinfo.txt,
+              only if it is present, to obtain githash= and gitbranch=
+               info and include related preprocessor #defines in date.h file.
               only if it is present, to obtain githash= and gitbranch=
                info and include related preprocessor #defines in date.h file.
 
        -p     Generate pm.h
 
-       -q     Generate the rumors file.
+       -r     Generate the rumors file.
+
+       -s     Generate the bogusmon , engrave and epitaphfiles.
 
        -s     Generate the bogusmon , engrave and epitaphfiles.
 
@@ -144,4 +148,5 @@ COPYRIGHT
 
 
 
+
 NETHACK                           1 Jan 2020                       MAKEDEFS(6)