Update index.html

Author: fladd

index.html

@@ -257,7 +257,7 @@ <h2><strong>References</strong></h2>
 						<header class="major">
 							<h2><strong>Contact</strong></h2>
 							<p>For general information, please send an email to <a href="mailto:[email protected]">[email protected]</a>. <br />
-							To be informed about news and updates, <a href="mailto:subscribe[email protected]">subscribe</a> to our <a href="https://groups.google.com/forum/#!forum/expyriment">newsletter</a>.</p>
+							To be informed about news and updates, subscribe to our <a href="https://groups.google.com/forum/#!forum/expyriment">newsletter</a>.</p>
 						</header>
 
 						<div class="row">