Core Team - remove typo

Author: samaaron

CORETEAM.html

@@ -19,7 +19,7 @@ <h1> Sonic Pi Core Team </h1>
             <p>
               University of Cambridge Computer Labs researcher.
               <br/>
-              Performing as <a href="http://facebook.com/livecodersamaaron"> Sam Aaron </a> o&amp; <a href="http://twitter.com/SonicPiBand">Sonic Pi Band</a></p>
+              Performing as <a href="http://facebook.com/livecodersamaaron"> Sam Aaron </a> &amp; <a href="http://twitter.com/SonicPiBand">Sonic Pi Band</a></p>
 
             <p><a href="https://twitter.com/samaaron">Twitter</a> | <a href="https://github.com/samaaron">GitHub</a> </p>