docs: adding "--unlock-key-file" to systemd-cryptenroll

diff --git a/man/systemd-cryptenroll.xml b/man/systemd-cryptenroll.xml
index 2aa396e3004bfe4790b5b166b0063e512e334d06..afde0fad7e2575e6fe6d3bd17983b017e0e4b992 100644 (file)
--- a/man/systemd-cryptenroll.xml
+++ b/man/systemd-cryptenroll.xml
@@ -100,6 +100,15 @@
         </para></listitem>
       </varlistentry>
 
+      <varlistentry>
+        <term><option>--unlock-key-file=</option><replaceable>PATH</replaceable></term>
+
+        <listitem><para>Use a file instead of a password/passphrase read from stdin to unlock the volume.
+        Expects the PATH to the file containing your key to unlock the volume. Currently there is nothing like
+        <option>--key-file-offset=</option> or <option>--key-file-size=</option> so this file has to only
+        contain the full key.</para></listitem>
+      </varlistentry>
+
       <varlistentry>
         <term><option>--pkcs11-token-uri=</option><replaceable>URI</replaceable></term>