diff --git a/rfc/1/index.md b/rfc/1/index.md
index 2e489772..73091aee 100644
--- a/rfc/1/index.md
+++ b/rfc/1/index.md
@@ -78,7 +78,7 @@ improvement and evolution through discussions of _further_ RFCs.
 
 The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD",
 "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be
-interpreted as described in IETF RFC 2119.
+interpreted as described in IETF [RFC 2119](https://datatracker.ietf.org/doc/html/rfc2119).
 
 ## Stakeholders