Consistently reference CID draft through name + URL
diff --git a/library/ssl_cli.c b/library/ssl_cli.c
index e2d8a27..e5110f4 100644
--- a/library/ssl_cli.c
+++ b/library/ssl_cli.c
@@ -485,8 +485,8 @@
const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN;
/*
- * Quoting
- * https://tools.ietf.org/html/draft-ietf-tls-dtls-connection-id-05:
+ * Quoting draft-ietf-tls-dtls-connection-id-05
+ * https://tools.ietf.org/html/draft-ietf-tls-dtls-connection-id-05
*
* struct {
* opaque cid<0..2^8-1>;