convert spoiler language and towards deobfuscation language

2019/duble/index.html

@@ -506,7 +506,8 @@ background color?</em></li>
 </ul>
 <h3 id="a-few-more-things">A few more things:</h3>
 <p>Did you notice the <code>enum</code> declaration? Could it be just an <code>int</code> or <code>const int</code>
-variable, instead? (spoiler: <a href="http://c-faq.com/ansi/constasconst.html" class="uri">http://c-faq.com/ansi/constasconst.html</a>)</p>
+variable, instead?</p>
+<p>See also this <a href="http://c-faq.com/ansi/constasconst.html%3E">deobfuscation page</a>.</p>
 <p>If your keyboard has no arrow keys, you can probably find alternate keys by
 reading the source code.</p>
 <h3 id="limits-portability">Limits, Portability:</h3>