diff --git a/CONTRIBUTING b/CONTRIBUTING
index bf4ab72..09b8bbb 100644
--- a/CONTRIBUTING
+++ b/CONTRIBUTING
@@ -16,11 +16,12 @@ Credit
 ------
 
 The authors of code and glyphs in Bedstead are listed in a comment at
-the top of bedstead.c.  If you're sending a patch, you might like to
-include an update to this comment so that you get credited properly.
-If any of your contribution is based on others' work, please indicate
-that as well.  If I construct a Git commit from your contribution,
-I'll put your name and email address in the "Author" field.
+the top of bedstead.c and in the HACKING file.  If you're sending a
+patch, you might like to include an update to these so that you get
+credited properly.  If any of your contribution is based on others'
+work, please indicate that as well.  If I construct a Git commit from
+your contribution, I'll put your name and email address in the
+"Author" field.
 
 All contributions of code and glyphs should be released under the CC0
 Public Domain Dedication.  If you're sending a patch, adding your name