Format fixes in index.html files of 1995

1995/esde/index.html

@@ -411,7 +411,7 @@ Location: <a href="../../location.html#PL">PL</a> - <em>Republic of Poland</em>
 <pre><code>    make all</code></pre>
 <h2 id="to-use">To use:</h2>
 <pre><code>    ./esde data-file word</code></pre>
-<p>where data-file contains lines of &lt; 255 chars in length.</p>
+<p>where <code>data-file</code> contains lines of &lt; 255 chars in length.</p>
 <h2 id="try">Try:</h2>
 <pre><code>    ./try.sh</code></pre>
 <h2 id="judges-remarks">Judges’ remarks:</h2>