diff --git a/common.go b/common.go
index 04b079a..9f3c4e3 100644
--- a/common.go
+++ b/common.go
@@ -850,7 +850,7 @@ type Config struct {
 	// KeyLogWriter optionally specifies a destination for TLS master secrets
 	// in NSS key log format that can be used to allow external programs
 	// such as Wireshark to decrypt TLS connections.
-	// See https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/Key_Log_Format.
+	// See https://datatracker.ietf.org/doc/draft-ietf-tls-keylogfile/.
 	// Use of KeyLogWriter compromises security and should only be
 	// used for debugging.
 	KeyLogWriter io.Writer