fix RTFS guideline :-)

next/guidelines.html

@@ -1300,7 +1300,7 @@ of the number of the kernel disk pack of one of the judge’s <a href="https://e
 <p>There may or may not be fewer than 2^7+1 reasons why these <a href="guidelines.html">IOCCC
 guidelines</a> seem obfuscated.</p>
 <p>Excessively “<em>dotty”</em> use of the <code>chksubmit(1)</code> or <code>chkentry(1)</code> commands suggests that
-either you like silly things, or that you”<em>RTFS”</em> with some level of care.</p>
+either you like silly things, or that you ”<em>RTFS</em>” with some level of care.</p>
 <p>Some people might question what actually constitutes a valid JSON file, given
 the state of the “<em>so-called</em>” JSON spec.. :-)</p>
 <p>We prefer programs that do not require a fish license: crayons and