Make ^NOTE in markdown/html files bold

1984/anonymous/README.md

@@ -29,7 +29,7 @@ as the alternate code. See below for the tattoo side-by-side with the code.
 
 ### Alternate use:
 
-NOTE: this version might not work on some systems like macOS.
+**NOTE**: this version might not work on some systems like macOS.
 
 ``` <!---sh-->
     ./anonymous.alt

1984/anonymous/index.html

@@ -420,7 +420,7 @@ as the alternate code. See below for the tattoo side-by-side with the code.</p>
 <h3 id="alternate-build">Alternate build:</h3>
 <pre><code>    make alt</code></pre>
 <h3 id="alternate-use">Alternate use:</h3>
-<p>NOTE: this version might not work on some systems like macOS.</p>
+<p><strong>NOTE</strong>: this version might not work on some systems like macOS.</p>
 <pre><code>    ./anonymous.alt</code></pre>
 <h2 id="judges-remarks">Judges’ remarks:</h2>
 <p>The author was too embarrassed that they could write such trash, so I