Fixes in html files of 1991

bugs.html

@@ -1032,8 +1032,8 @@ file does not exist in the directory, this program will very likely crash.</p>
 <h3 id="source-code-1991westleywestley.c">Source code: <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/westley/westley.c">1991/westley/westley.c</a></h3>
 <h3 id="information-1991westleyindex.html">Information: <a href="1991/westley/index.html">1991/westley/index.html</a></h3>
 <p>There is a very simple way to always win. The program doesn’t catch you and as
-someone called Cody’s late grandmother said to him: ‘it’s not cheating unless
-you’re caught’. :-)</p>
+someone called Cody’s late grandmother said to him: ‘<em>it’s not cheating unless
+you’re caught</em>’. :-)</p>
 <p>Please don’t try and fix it as it’s not a bug and was actually documented as a
 possibility. Can you find out how? There’s also a way to make it so that even
 when you’re cheating it ends up winning! Can you figure that out as well?</p>