Fix broken links in 2006/sykes1

2006/sykes1/README.md

@@ -103,7 +103,7 @@ can do so like:
 
 ## Judges' remarks:
 
-Read the [sykes1.html](sykes1.html) page source.
+Read the `sykes1.html` (generated by `make`) page source.
 Now then read the C source.  Confused?  :-) If it's not clear try:
 
 ``` <!---sh-->
@@ -147,7 +147,7 @@ shows you how to build the cube piece by piece, rendered in glorious
 3D ASCII.
 
 ASCII art is all very well, but you also have a web browser, right?  Well, just
-open the file [sykes1.html](sykes1.html).  This html file is just a copy of
+open the file `sykes1.html`.  This html file is just a copy of
 [sykes1.c](%%REPO_URL%%/2006/sykes1/sykes1.c), which helpfully contains an html document that should make
 the browser display for you a nice animated GIF, showing you how to build the
 cube.  Rendered in glorious 3D color.

2006/sykes1/index.html

@@ -436,7 +436,7 @@ maximum:</p>
 can do so like:</p>
 <pre><code>    ./try.sh</code></pre>
 <h2 id="judges-remarks">Judges’ remarks:</h2>
-<p>Read the <a href="sykes1.html">sykes1.html</a> page source.
+<p>Read the <code>sykes1.html</code> (generated by <code>make</code>) page source.
 Now then read the C source. Confused? :-) If it’s not clear try:</p>
 <pre><code>    diff -s sykes1.c sykes1.html</code></pre>
 <p>For extra credit, understand what happens when you give this entry
@@ -460,7 +460,7 @@ need to be very lucky indeed to stumble across a solution.</p>
 shows you how to build the cube piece by piece, rendered in glorious
 3D ASCII.</p>
 <p>ASCII art is all very well, but you also have a web browser, right? Well, just
-open the file <a href="sykes1.html">sykes1.html</a>. This html file is just a copy of
+open the file <code>sykes1.html</code>. This html file is just a copy of
 <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2006/sykes1/sykes1.c">sykes1.c</a>, which helpfully contains an html document that should make
 the browser display for you a nice animated GIF, showing you how to build the
 cube. Rendered in glorious 3D color.</p>