Show the first email value for pilot site contact

Fixes #847

Author: misilot

index.md

@@ -420,7 +420,7 @@ how one of these schedule tables is constructed.
 {% endcomment %}
 
 {% if site.pilot %}
-The lesson taught in this workshop is being piloted and a precise schedule is yet to be established. The workshop will include regular breaks. Please <a href="mailto:{{page.email}}">contact the workshop organisers</a> if you would like more information about the planned schedule.
+The lesson taught in this workshop is being piloted and a precise schedule is yet to be established. The workshop will include regular breaks. Please <a href="mailto:{{page.email[0]}}">contact the workshop organisers</a> if you would like more information about the planned schedule.
 {% endif %}
 
 <hr/>