Make ^NOTE in markdown/html files bold

1991/brnstnd/README.md

@@ -23,7 +23,7 @@ the source code.  The judges were unmoved by this blatant attempt to influence
 the contest and rejected this idea...  so we gave it the "Best of Show"
 instead!!
 
-NOTE: One should remove the final trailing newline to obtain the
+**NOTE**: One should remove the final trailing newline to obtain the
 original source file.  This step is not needed to compile
 this entry.
 

1991/brnstnd/index.html

@@ -420,7 +420,7 @@ Location: <a href="../../location.html#US">US</a> - <em>United States of America
 the source code. The judges were unmoved by this blatant attempt to influence
 the contest and rejected this idea… so we gave it the “Best of Show”
 instead!!</p>
-<p>NOTE: One should remove the final trailing newline to obtain the
+<p><strong>NOTE</strong>: One should remove the final trailing newline to obtain the
 original source file. This step is not needed to compile
 this entry.</p>
 <p>To have a chance to compile under a modern CPP, we had to