diff --git a/docs/enduser-customize.html b/docs/enduser-customize.html
index 67496fc5..fbd0f2ad 100644
--- a/docs/enduser-customize.html
+++ b/docs/enduser-customize.html
@@ -723,7 +723,7 @@ $def = $config->getHTMLDefinition(true);
     or more flow elements, but no nested <code>form</code>s</strong></li>
   <li>What attributes does the element allow that are general? <strong>Common</strong></li>
   <li>What attributes does the element allow that are specific to this element? <strong>A whole bunch, see ATTLIST;
-    we're going to the vital ones: <code>action</code>, <code>method</code> and <code>name</code></strong></li>
+    we're going to do the vital ones: <code>action</code>, <code>method</code> and <code>name</code></strong></li>
 </ol>
 
 <p>
diff --git a/library/HTMLPurifier/HTMLDefinition.php b/library/HTMLPurifier/HTMLDefinition.php
index 44f4616f..c99ac11e 100644
--- a/library/HTMLPurifier/HTMLDefinition.php
+++ b/library/HTMLPurifier/HTMLDefinition.php
@@ -114,7 +114,7 @@ class HTMLPurifier_HTMLDefinition extends HTMLPurifier_Definition
      * @note See HTMLPurifier_HTMLModule::addElement for detailed
      *       parameter and return value descriptions.
      */
-    public function addElement($element_name, $type, $contents, $attr_collections, $attributes) {
+    public function addElement($element_name, $type, $contents, $attr_collections, $attributes = array()) {
         $module = $this->getAnonymousModule();
         // assume that if the user is calling this, the element
         // is safe. This may not be a good idea