diff --git a/man/systemctl.xml b/man/systemctl.xml
index b1fb6cec8c..aac17ae01a 100644
--- a/man/systemctl.xml
+++ b/man/systemctl.xml
@@ -558,7 +558,7 @@ Jan 12 10:46:45 example.com bluetoothd[8900]: gatt-time-server: Input/output err
           <term><command>clean <replaceable>PATTERN</replaceable>…</command></term>
 
           <listitem>
-            <para>Remove the configuration, state, cache, logs or runtime data of the specified units. Use
+            <para>Remove the configuration, state, cache, logs, runtime or file descriptor store data of the specified units. Use
             <option>--what=</option> to select which kind of resource to remove. For service units this may
             be used to remove the directories configured with <varname>ConfigurationDirectory=</varname>,
             <varname>StateDirectory=</varname>, <varname>CacheDirectory=</varname>,