Make ^NOTE in markdown/html files bold

1991/fine/README.md

@@ -59,7 +59,7 @@ The author wishes to thank J Greely for the last 6 bytes.
 
 Here's about how it does it:
 
-NOTE:  Bits are referred to as 76543210, high to low.
+**NOTE**:  Bits are referred to as 76543210, high to low.
 
 1.  Get the character in variable `a`.  Note the fun way we check for `EOF`.
     (thanks J).