HTML error in manual

doc/manual.html

@@ -288,7 +288,7 @@ <h2 id="config">Configuration</h2>
       <dt id="option_onDragEvent"><code>onDragEvent (function)</code></dt>
       <dd>When given, this will be called when the editor is handling
       a <code>dragenter</code>, <code>dragover</code>,
-      or <code>drop<code> event. It will be passed the editor instance
+      or <code>drop</code> event. It will be passed the editor instance
       and the event object as arguments. The callback can choose to
       handle the event itself, in which case it should
       return <code>true</code> to indicate that CodeMirror should not