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-rw-r--r--gnu/bootloader/grub.scm4
1 files changed, 4 insertions, 0 deletions
diff --git a/gnu/bootloader/grub.scm b/gnu/bootloader/grub.scm
index b905ae360c..af041ae4a8 100644
--- a/gnu/bootloader/grub.scm
+++ b/gnu/bootloader/grub.scm
@@ -506,6 +506,10 @@ fi~%"))))
 ;;;
 ;;; Bootloader definitions.
 ;;;
+;;; For all these grub-bootloader variables the path to /boot/grub/grub.cfg
+;;; is fixed.  Inheriting and overwriting the field 'configuration-file' will
+;;; break 'guix system delete-generations', 'guix system switch-generation',
+;;; and 'guix system roll-back'.
 
 (define grub-bootloader
   (bootloader