-# Contact. This *must* include the protocol: if it's an email
-# address, it must look like "mailto:lessons@software-carpentry.org",
-# or if it's a URL, "https://gitter.im/username/ProjectName".
-email: "mailto:lessons@software-carpentry.org"
+# Email address, no mailto:
+email: "lessons@software-carpentry.org"