diff -ur grub-2.04.orig/util/grub.d/README grub-2.04/util/grub.d/README
--- grub-2.04.orig/util/grub.d/README	2018-11-24 18:13:02.000000000 +0100
+++ grub-2.04/util/grub.d/README	2019-08-18 15:41:16.068000000 +0200
@@ -8,4 +8,4 @@
 The number namespace in-between is configurable by system installer and/or
 administrator.  For example, you can add an entry to boot another OS as
 01_otheros, 11_otheros, etc, depending on the position you want it to occupy in
-the menu; and then adjust the default setting via /etc/default/grub.
+the menu; and then adjust the default setting via /etc/sysconfig/grub.
diff -ur grub-2.04.orig/util/grub-mkconfig.in grub-2.04/util/grub-mkconfig.in
--- grub-2.04.orig/util/grub-mkconfig.in	2019-05-20 12:59:36.000000000 +0200
+++ grub-2.04/util/grub-mkconfig.in	2019-08-18 15:41:16.068000000 +0200
@@ -154,8 +154,8 @@
 	GRUB_EARLY_INITRD_LINUX_STOCK="intel-uc.img intel-ucode.img amd-uc.img amd-ucode.img early_ucode.cpio microcode.cpio"
 fi
 
-if test -f ${sysconfdir}/default/grub ; then
-  . ${sysconfdir}/default/grub
+if test -f ${sysconfdir}/sysconfig/grub ; then
+  . ${sysconfdir}/sysconfig/grub
 fi
 
 # XXX: should this be deprecated at some point?
@@ -254,7 +254,7 @@
 # DO NOT EDIT THIS FILE
 #
 # It is automatically generated by $self using templates
-# from ${grub_mkconfig_dir} and settings from ${sysconfdir}/default/grub
+# from ${grub_mkconfig_dir} and settings from ${sysconfdir}/sysconfig/grub
 #
 EOF
 
@@ -280,7 +280,7 @@
   if ! ${grub_script_check} ${grub_cfg}.new; then
     # TRANSLATORS: %s is replaced by filename
     gettext_printf "Syntax errors are detected in generated GRUB config file.
-Ensure that there are no errors in /etc/default/grub
+Ensure that there are no errors in /etc/sysconfig/grub
 and /etc/grub.d/* files or please file a bug report with
 %s file attached." "${grub_cfg}.new" >&2
     echo >&2