Make ^NOTE in markdown/html files bold

1989/ovdluhe/README.md

@@ -60,7 +60,7 @@ value that's not a number.
     P=5 ./try.alt.sh
 ```
 
-NOTE: if you specify too high a value for `P` the program might fail. If you
+**NOTE**: if you specify too high a value for `P` the program might fail. If you
 specify a value < 0 it will fail to compile.
 
 

1989/ovdluhe/index.html

@@ -434,7 +434,7 @@ value that’s not a number.</p>
 <pre><code>    ./try.alt.sh
 
     P=5 ./try.alt.sh</code></pre>
-<p>NOTE: if you specify too high a value for <code>P</code> the program might fail. If you
+<p><strong>NOTE</strong>: if you specify too high a value for <code>P</code> the program might fail. If you
 specify a value &lt; 0 it will fail to compile.</p>
 <h2 id="judges-remarks">Judges’ remarks:</h2>
 <p>Run this program using your favorite text file as input. Files