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-rw-r--r--man/systemctl.xml12
1 files changed, 8 insertions, 4 deletions
diff --git a/man/systemctl.xml b/man/systemctl.xml
index 9e9ba5a5b6..36edc204b7 100644
--- a/man/systemctl.xml
+++ b/man/systemctl.xml
@@ -101,10 +101,14 @@
<term><option>--state=</option></term>
<listitem>
- <para>The argument should be a comma-separated list of unit
- LOAD, SUB, or ACTIVE states. When listing units, show only
- those in specified states. Use <option>--state=failed</option>
- to show only failed units.</para>
+ <para>The argument should be a comma-separated list of unit
+ LOAD, SUB, or ACTIVE states. When listing units, show only
+ those in specified states. Use <option>--state=failed</option>
+ to show only failed units.</para>
+
+ <para>As a special case, if one of the arguments is
+ <option>help</option>, a list of allowed values will be
+ printed and the program will exit.</para>
</listitem>
</varlistentry>