convert spoiler filenames into deobfuscation filenames

2018/yang/index.html

@@ -487,7 +487,7 @@ but not limited to the “1125” at line 4 as opposed to “1025”, to satisfy
 <code>-Waggresive-loop-optimizations</code>.</p></li>
 <li><p>CRC32 of the code is embedded in the code itself.</p></li>
 <li><p>Process for writing <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/yang/prog.c">prog.c</a> is available in
-<a href="spoiler.html">spoiler.html</a>.</p></li>
+<a href="deobfuscation.html">deobfuscation.html</a>.</p></li>
 </ul>
 <h3 id="compatibility">Compatibility:</h3>
 <p><code>Nuko</code> and the rotated tools accept only ASCII files where each
@@ -538,7 +538,7 @@ will look weird after rotation, for example.</p>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/yang/Makefile">Makefile</a> - entry Makefile</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/yang/prog.orig.c">prog.orig.c</a> - original source code</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2018/yang/try.sh">try.sh</a> - script to try entry</li>
-<li><a href="spoiler.html">spoiler.html</a> - spoiler web page</li>
+<li><a href="deobfuscation.html">deobfuscation.html</a> - Deobfuscation information web page</li>
 </ul>
 <h2 id="secondary-files">Secondary files</h2>
 <ul>