Fix typo in entity.

Author: dbaron

css3-values/issues-lc-2012.html

@@ -294,7 +294,7 @@ <h1>CSS Values and Units Level 3 Disposition of Comments</h1>
 </pre>
 <pre class="a" id="issue-34">
 Issue 34. <a href="#issue-34">#</a>
-Summary:  &tl;identifier> is confusing, call it something else
+Summary:  &lt;identifier> is confusing, call it something else
 From:     John Daggett
 Comment:  <a href="http://www.w3.org/mid/94875180.4363765.1336548244121.JavaMail.root@mozilla.com">http://www.w3.org/mid/94875180.4363765.1336548244121.JavaMail.root@mozilla.com</a>
 Response: <a href="http://www.w3.org/mid/CAAWBYDD1PWEAwYw2v15URdhcpE8JcMcneSNxedseZdV13CQUiA@mail.gmail.com">http://www.w3.org/mid/CAAWBYDD1PWEAwYw2v15URdhcpE8JcMcneSNxedseZdV13CQUiA@mail.gmail.com</a>