diff --git a/man/cppcheck.1.xml b/man/cppcheck.1.xml
index 4a8378b40..f5d6eb717 100644
--- a/man/cppcheck.1.xml
+++ b/man/cppcheck.1.xml
@@ -103,6 +103,7 @@ man(1), man(7), http://www.tldp.org/HOWTO/Man-Page/
     <cmdsynopsis>
       <command>&dhpackage;</command>
       <arg choice="opt"><option>--all</option></arg>
+      <arg choice="opt"><option>--auto-dealloc [file]</option></arg>
       <arg choice="opt"><option>--error-exitcode=[n]</option></arg>
       <arg choice="opt"><option>--force</option></arg>
       <arg choice="opt"><option>--help</option></arg>
@@ -141,7 +142,7 @@ man(1), man(7), http://www.tldp.org/HOWTO/Man-Page/
         </listitem>
       </varlistentry>
       <varlistentry>
-        <term><option>--auto-dealloc</option></term>
+        <term><option>--auto-dealloc [file]</option></term>
         <listitem>
           <para>Suppress warnings about classes that have automatic deallocation</para>
           <para>The classnames must be provided in plain text - one classname / line - in a .lst file. </para>