diff --git a/ChangeLog b/ChangeLog
index 94475c58f..6e60d982c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2021-02-14  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+	* FOR-RELEASE: Add more procedures and information related to
+	incrementing groff's version number.
+
 2021-02-14  G. Branden Robinson <g.branden.robinson@gmail.com>
 
 	* src/libs/libgroff/searchpath.cpp (search_path::open_file,
diff --git a/FOR-RELEASE b/FOR-RELEASE
index 2b84069eb..6ed265040 100644
--- a/FOR-RELEASE
+++ b/FOR-RELEASE
@@ -1,4 +1,4 @@
-    Copyright 2013-2020 Free Software Foundation, Inc.
+    Copyright 2013-2021 Free Software Foundation, Inc.
 
     Copying and distribution of this file, with or without modification,
     are permitted in any medium without royalty provided the copyright
@@ -9,6 +9,9 @@ This file describes how to prepare `groff' for a new release.
 
 ########################################################################
 
+* Increment the version number.  groff requires an explicit three-part
+  version, major.minor.revision, due to the .Y register.
+
 * Retrieve current versions of UnicodeData.txt[1] and the Adobe Glyph
   List (AGL)[2], and use them with
   src/utils/afmtodit/make-afmtodit-tables to update
@@ -29,6 +32,9 @@ This file describes how to prepare `groff' for a new release.
   + doc/groff.texi (multiple occurrences)
   + doc/webpage.ms
 
+* If the major or minor version number is being incremented, split off
+  a historical ChangeLog file.
+
 * Update in 'src/roff/groff/groff.cpp' the 'printf' that displays the
   copyright.