diff --git a/lib/modules/SSL.pmod/Constants.pmod b/lib/modules/SSL.pmod/Constants.pmod
index 2643c3c2cbe77cc54098d7268e6d0412d51ef252..74abe5e2723d572a5ca70b8c01d3481e28a55304 100644
--- a/lib/modules/SSL.pmod/Constants.pmod
+++ b/lib/modules/SSL.pmod/Constants.pmod
@@ -1182,7 +1182,7 @@ constant EXTENSION_srp                          = 12;           // RFC 5054
 constant EXTENSION_signature_algorithms		= 13;		// RFC 5246
 constant EXTENSION_use_srtp                     = 14;           // RFC 5764
 constant EXTENSION_heartbeat                    = 15;           // RFC 6520
-constant EXTENSION_application_layer_protocol_negotiation = 16; // draft-ietf-tls-applayerprotoneg
+constant EXTENSION_application_layer_protocol_negotiation = 16; // RFC 7301
 constant EXTENSION_status_request_v2            = 17;           // RFC-ietf-tls-multiple-cert-status-extension-08
 constant EXTENSION_signed_certificate_timestamp = 18;           // RFC 6962
 constant EXTENSION_client_certificate_type      = 19;           // RFC-ietf-tls-oob-pubkey-11