Add "bad sex better than nothing" trigger disclaimer

Fixes #346

Author: kernc

index.html

@@ -87,7 +87,8 @@ <h2 class="subtitle is-4">
                     <div class="media-content">
                         <p>
                             Documentation is like sex: when it is good, it is very, very good;
-                            <br>and when it is bad, it is better than nothing.
+                            <br>and when it is bad, it is
+                            <abbr title="* Given healthy sex among mature, consenting adults and various other assumptions.">better than nothing</abbr>.
                         </p>
                         <i class="is-pulled-right">— Dick B.</i>
                     </div>