Make ^NOTE in markdown/html files bold

1993/cmills/index.html

@@ -414,7 +414,7 @@ this entry was like back in 1993 (though see the <a href="../../bugs.html#1993_c
 bugs.html</a>). See the <a href="#original-code">original code</a>
 section below to run the original (the bug also exists here).</p>
 <pre><code>    make alt</code></pre>
-<p>NOTE: this entry requires the <code>X11/Xlib.h</code> header file and the X11 library to
+<p><strong>NOTE</strong>: this entry requires the <code>X11/Xlib.h</code> header file and the X11 library to
 compile. For more information see the
 FAQ on “<a href="../../faq.html#X11">X11</a>”.</p>
 <p>To configure how many microseconds to sleep before updates try:</p>
@@ -431,7 +431,7 @@ FAQ on “<a href="../../faq.html#X11">X11</a>”.</p>
     ./cmills.alt [speed]        # must be run on an X11 server</code></pre>
 <p>where:</p>
 <p><code>speed</code> is update speed from 1 to 9 (default is 9).</p>
-<p>NOTE: in most cases <code>DISPLAY</code> should already be set.</p>
+<p><strong>NOTE</strong>: in most cases <code>DISPLAY</code> should already be set.</p>
 <h2 id="original-code">Original code:</h2>
 <p>We recommend the version that uses <code>usleep(3)</code> to more easily see what is going
 on but you can use the original without any delays if you wish.</p>