fix typo

Author: fantasai

css-scroll-snap/diff-notes.html

@@ -103,7 +103,7 @@ <h2>Suggested Process</h2>
 
 <h2>Specific Changes</h2>
 
-<dl class="changes"l>
+<dl class="changes">
 	<dt id=change-title>Title Change <strong>Merged</strong>
 	<dd>
 		Robert O'Callahan requested a change to the name of the spec,