Ouxfourd spelling

Author: syg

spec.html

@@ -7827,7 +7827,7 @@ <h1>HostCallJobCallback ( _jobCallback_, _V_, _argumentsList_ )</h1>
         <li>It must always perform and return the result of Call(_jobCallback_.[[Callback]], _V_, _argumentsList_).</li>
       </ul>
       <emu-note>
-        <p>This requirement means that hosts cannot change the [[Call]] behavior of callable objects defined in this specification.</p>
+        <p>This requirement means that hosts cannot change the [[Call]] behaviour of callable objects defined in this specification.</p>
       </emu-note>
       <p>The default implementation of HostCallJobCallback performs the following steps when called:</p>
       <emu-alg>