--- a/html/DOM3-Events.html	Wed Oct 10 07:22:40 2012 +0900
+++ b/html/DOM3-Events.html	Fri Oct 26 08:58:37 2012 +0900
@@ -1607,7 +1607,7 @@
 															href="#addEventListener_useCapture"><code class="parameter-name">useCapture</code></a> were specified to be <code>false</code>.</p>
 
 														<p class="note" id="addEventListener_useCapture-author"><strong>Authoring Note:</strong>  The <a href="#events-EventTarget-addEventListener"><code class="parameter-name">
-															useCapture</code></a> parameter was manditory in DOM2 Events [<a href="#references-DOM2Events">DOM2 Events</a>], and omitting this parameter could cause an error
+															useCapture</code></a> parameter was mandatory in DOM2 Events [<a href="#references-DOM2Events">DOM2 Events</a>], and omitting this parameter could cause an error
 															in older implementations.</p>
 													</dd>
 												</dl>
@@ -1649,7 +1649,7 @@
 														<p>This parameter <span class="must">must</span> be optional. If not provided, the <a href="#events-EventTarget-removeEventListener">EventTarget.removeEventListener</a> method <span class="must">must</span> behave as if <a
 															href="#removeEventListener_useCapture"><code class="parameter-name">useCapture</code></a> were specified to be <code>false</code>.</p>
 
-														<p class="note"><strong>Authoring Note:</strong>  The <a href="#removeEventListener_useCapture"><code class="parameter-name">useCapture</code></a> parameter was manditory in DOM2
+														<p class="note"><strong>Authoring Note:</strong>  The <a href="#removeEventListener_useCapture"><code class="parameter-name">useCapture</code></a> parameter was mandatory in DOM2
 															Events [<a href="#references-DOM2Events">DOM2 Events</a>], and omitting this parameter could cause an error in older implementations.</p>
 													</dd>
 												</dl>