removed extra period

participate/index.html

@@ -20,7 +20,7 @@ title: Participate
 	<li>... and anything else that takes a fresh or critical look at how networks are used!</li>
 </ul>
 
-<p>Submissions are <strong>due by August 10, 2015 at 11:59p, in whatever timezone you're in.</strong>. To submit your talk, panel, demo, or workshop, follow the instructions below for adding your proposal to our github repository. Accepted proposals will be <strong>notified by August 20th, 2015.</strong></p>
+<p>Submissions are <strong>due by August 10, 2015 at 11:59p, in whatever timezone you're in</strong>. To submit your talk, panel, demo, or workshop, follow the instructions below for adding your proposal to our github repository. Accepted proposals will be <strong>notified by August 20th, 2015.</strong></p>
 
 <p>The call for participation is open to all! We encourage women, people of color, LGBTQIA, and differently-abled folks to apply!</p>