-<p>If you're going send a message, here's a sample message. You'll
-want to modify yours to include information to include correct details
-on the infringement:</p>
+<p>If you're going send a message, here's a sample letter. (Before
+sending such a letter, please be sure that the venue where you saw
+<cite>Happy Birthday</cite> performed is not ASCAP-licensed, as some
+restaurants, nightclubs, etc., do have blanket ASCAP catalogue licenses
+that might exempt patrons from copyright liability for singing during
+dinner.) You'll want to modify yours to include correct details on the
+infringement:</p>