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>;