Update mail header

src/dgenies/templates/contact.html

@@ -20,7 +20,7 @@
 
     <h1>Contact us</h1>
 
-    <p>Please send a mail to <a href="mailto:support.bioinfo.genotoul@inra.fr?subject=[dgenies-support] Support">support.bioinfo.genotoul@inra.fr</a>.</p>
+    <p>Please send a mail to <a href="mailto:support.bioinfo.genotoul@inra.fr?subject=[dgenies-support] ">support.bioinfo.genotoul@inra.fr</a>.</p>
     <p><em>Important:</em> please keep <strong>[dgenies-support]</strong> tag at the beginning of the subject of the mail. Otherwise, the response delay will be increased.</p>
 
 {% endblock %}
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