diff --git a/expat/doc/xmlwf.xml b/expat/doc/xmlwf.xml
index b2ca99cd..367ccf7e 100644
--- a/expat/doc/xmlwf.xml
+++ b/expat/doc/xmlwf.xml
@@ -342,6 +342,16 @@ supports both.
         </listitem>
       </varlistentry>
 
+      <varlistentry>
+        <term><option>-q</option></term>
+        <listitem>
+          <para>
+            Disable reparse deferral, and allow quadratic parse runtime
+            on large tokens (default: reparse deferral enabled).
+          </para>
+        </listitem>
+      </varlistentry>
+
       <varlistentry>
         <term><option>-r</option></term>
         <listitem>