diff --git a/documentation/extensions/messageevents.html b/documentation/extensions/messageevents.html
index 23413f98f..d91492b3f 100644
--- a/documentation/extensions/messageevents.html
+++ b/documentation/extensions/messageevents.html
@@ -166,7 +166,7 @@ to a <i>MessageEventManager</i> that will listen and react to the event notifica
 
 <hr>
 
-<div clas="subheader"><a name="lstevnot">Reacting to Event Notifications</a></div><p>
+<div class="subheader"><a name="lstevnot">Reacting to Event Notifications</a></div><p>
 
 <b>Description</b><p>