From 286ce2be44422e53347edd8f79acd5532b96780c Mon Sep 17 00:00:00 2001
From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Jun 01 2023 14:37:09 +0000
Subject: man: extend description of --boot


(cherry picked from commit a3256ea8f4684ff92622ca9df1dc18dc517a4c6e)

---

diff --git a/man/systemd-tmpfiles.xml b/man/systemd-tmpfiles.xml
index c2e32f9..3a63672 100644
--- a/man/systemd-tmpfiles.xml
+++ b/man/systemd-tmpfiles.xml
@@ -142,8 +142,10 @@
 
       <varlistentry>
         <term><option>--boot</option></term>
-        <listitem><para>Also execute lines with an exclamation mark.
-        </para></listitem>
+        <listitem><para>Also execute lines with an exclamation mark. Lines that are not safe to be executed
+        on a running system may be marked in this way. <command>systemd-tmpfiles</command> is executed in
+        early boot with <option>--boot</option> specified and will execute those lines. When invoked again
+        later, it should be called without <option>--boot</option>.</para></listitem>
       </varlistentry>
 
       <varlistentry>