Fixes in html files of 1993

1993/ejb/patience.html

@@ -514,7 +514,7 @@ restoration of ring 1 and the removal of ring 3. This is
 because ring 1 is always movable, and ring 3 is currently
 the second ring still attached to the <code>U</code>. This constraint
 leads to a recursive solution to the puzzle. Like the
-<a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1993/ejb/hanoi.md">Towers of Hanoi</a>, the number of steps to solve this puzzle is
+<a href="hanoi.html">Towers of Hanoi</a>, the number of steps to solve this puzzle is
 exponential in the number of rings.</p>
 <hr style="width:10%;text-align:left;margin-left:0">
 <p>Jump to: <a href="#">top</a></p>