Manifest updates

Typo fixes and change 'download entry source' to 'download entry' as
it's the tarball, not the source itself.

Rebuilt .entry.json and index.html files for all entries.

1987/hines/index.html

@@ -184,7 +184,7 @@ See the Communications of the ACM, March 1987, Page 195-196.</p>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/hines/goto.c">goto.c</a> - sample source full of goto statements</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/hines/goto.txt">goto.txt</a> - a file to goto and see</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1987/hines/try.sh">try.sh</a> - how to run</li>
-<li><a href="1987_hines.tar.bz2">1987_hines.tar.bz2</a> - download entry source</li>
+<li><a href="1987_hines.tar.bz2">1987_hines.tar.bz2</a> - download entry</li>
 </ul>
 <h2 id="secondary-files">Secondary files</h2>
 <ul>