additional wording clarification in SelectSettings

getusermedia.html

@@ -3712,12 +3712,9 @@ <h2>Interface Definition</h2>
 	      <li><p>For every possible <a>settings dictionary</a>
 		  of <var>copy</var>,
 		compute its <a>fitness distance</a>.
-	      Discard the <a title="settings dictionary">settings dictionaries</a> for which the result is
-	      infinity, and add the remaining <a title="settings dictionary">settings dictionaries</a> to the set
-	      of possible settings dictionaries <var>candidates</var>.</p></li>
+              Let <var>candidates</var> be the set of <a title="settings dictionary">settings dictionaries</a> for which the <a>fitness distance</a> is finite.</p></li>
 
-	      <li><p>If the <a>fitness distance</a> of the best fitting
-		  settings dictionary is infinity, return <code>undefined</code> as the result
+	      <li><p>If <var>candidates</var> is empty, return <code>undefined</code> as the result
 		  of the function.</p>
 
               <li>Iterate over the 'advanced'