Minor change to thanks file wrt fish

The line '... and thanks for all the fish' was changed to 'Thanks for All
the Fish' (despite not being the full title it seemed more correct this
way).

thanks-for-help.html

@@ -383,7 +383,7 @@
 
 <!-- BEFORE: 1st line of markdown file: thanks-for-help.md -->
 <h1 id="thanks-for-all-the-help">Thanks for all the help</h1>
-<h2 id="and-thanks-for-all-the-fish.--">.. and <a href="https://hitchhikers.fandom.com/wiki/So_Long,_and_Thanks_for_All_the_Fish">thanks for all the fish</a>. :-)</h2>
+<h2 id="and-thanks-for-all-the-fish.--">.. and <a href="https://hitchhikers.fandom.com/wiki/So_Long,_and_Thanks_for_All_the_Fish">Thanks for All the Fish</a>. :-)</h2>
 <p>To avoid having to change numerous “<em>index.html</em>” files to add thank you notes,
 we centralize them below.</p>
 <p>The <a href="judges.html">IOCCC judges</a> wish to recognize the many

thanks-for-help.md

@@ -1,7 +1,7 @@
 # Thanks for all the help
 
 
-## .. and [thanks for all the fish](https://hitchhikers.fandom.com/wiki/So_Long,_and_Thanks_for_All_the_Fish). :-)
+## .. and [Thanks for All the Fish](https://hitchhikers.fandom.com/wiki/So_Long,_and_Thanks_for_All_the_Fish). :-)
 
 To avoid having to change numerous "_index.html_" files to add thank you notes,
 we centralize them below.