--- a/certs/localhost.cnf	Sat Apr 16 20:56:47 2016 +0100
+++ b/certs/localhost.cnf	Sat Apr 16 21:08:05 2016 +0100
@@ -13,7 +13,7 @@
 [distinguished_name]
 countryName = GB
 organizationName = Prosody IM
-organizationalUnitName = http://prosody.im/doc/certificates
+organizationalUnitName = https://prosody.im/doc/certificates
 commonName = Example certificate
 
 [req]