diff --git a/PROTOCOLS.md b/PROTOCOLS.md
index d626353..5e5326f 100644
--- a/PROTOCOLS.md
+++ b/PROTOCOLS.md
@@ -21,7 +21,7 @@ The layers are, from lowest to highest:
 [SSH-ARCH]:         https://tools.ietf.org/html/rfc4251
 [SSH-USERAUTH]:     https://tools.ietf.org/html/rfc4252
 [SSH-TRANS]:        https://tools.ietf.org/html/rfc4253
-[SSH-CONNECT]:      https://tools.ietf.org/html/rfc4253
+[SSH-CONNECT]:      https://tools.ietf.org/html/rfc4254
 
 
 Protocol Layer Details