diff --git a/expat/doc/xmlwf.xml b/expat/doc/xmlwf.xml
index b1ebd003..654466ce 100644
--- a/expat/doc/xmlwf.xml
+++ b/expat/doc/xmlwf.xml
@@ -388,7 +388,7 @@ supports both.
 
   <refsect1>
   <title>EXIT STATUS</title>
-    <para>The following exit status codes are returned:
+    <para>For option <option>-v</option> or <option>-h</option>, <command>&dhpackage;</command> always exits with status code 0.  For other cases, the following exit status codes are returned:
     <variablelist>
       <varlistentry>
         <term><option>0</option></term>
@@ -405,6 +405,11 @@ supports both.
         <listitem><para>An input file was not well-formed or could not be parsed.</para>
         </listitem>
       </varlistentry>
+      <varlistentry>
+        <term><option>3</option></term>
+        <listitem><para>If using the <option>-d</option> option, an error occurred opening an output file.</para>
+        </listitem>
+      </varlistentry>
     </variablelist>
 	</para>
   </refsect1>
diff --git a/expat/xmlwf/xmlwf.c b/expat/xmlwf/xmlwf.c
index fa3c89a8..87fac3b1 100644
--- a/expat/xmlwf/xmlwf.c
+++ b/expat/xmlwf/xmlwf.c
@@ -1057,7 +1057,7 @@ tmain(int argc, XML_Char **argv) {
       userData.fp = tfopen(outName, T("wb"));
       if (! userData.fp) {
         tperror(outName);
-        exit(1);
+        exit(3);
       }
       setvbuf(userData.fp, NULL, _IOFBF, 16384);
 #ifdef XML_UNICODE