[PATCH] docs: Export `superusers` to apply to submenus

[Paul Menzel]

Date: Tue, 10 Dec 2019 12:52:22 +0100
Subject: [PATCH] docs: Export `superusers` to apply to submenus

Signed-off-by: Paul Menzel <address@hidden>
---
 docs/grub.texi | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/docs/grub.texi b/docs/grub.texi
index c25ab7a5f..615c32d99 100644
--- a/docs/grub.texi
+++ b/docs/grub.texi
@@ -5715,9 +5715,10 @@ variable must be set to a list of usernames, separated 
by any of spaces,
 commas, semicolons, pipes, or ampersands.  Superusers are permitted to use
 the GRUB command line, edit menu entries, and execute any menu entry.  If
 @samp{superusers} is set, then use of the command line and editing of menu
-entries are automatically restricted to superusers. Setting @samp{superusers}
-to empty string effectively disables both access to CLI and editing of menu
-entries.
+entries are automatically restricted to superusers. Note, the environment
+variable needs to be exported to also affect the section defined by the
+@samp{submenu} command (@pxref{submenu}). Setting @samp{superusers} to empty
+string effectively disables both access to CLI and editing of menu entries.
 
 Other users may be allowed to execute specific menu entries by giving a list of
 usernames (as above) using the @option{--users} option to the
-- 
2.24.0

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