diff --git a/docs/rfc/README.md b/docs/rfc/README.md
index 3a50832e6..c1461e887 100644
--- a/docs/rfc/README.md
+++ b/docs/rfc/README.md
@@ -58,6 +58,6 @@ sections.
 - [RFC-018: BLS Signature Aggregation Exploration](./rfc-018-bls-agg-exploration.md)
 - [RFC-019: Configuration File Versioning](./rfc-019-config-version.md)
 - [RFC-020: Onboarding Projects](./rfc-020-onboarding-projects.rst)
-- [RFC-022: The Future of the Socket Protocol](./rfc-021-socket-protocol.md)
+- [RFC-021: The Future of the Socket Protocol](./rfc-021-socket-protocol.md)
 
 <!-- - [RFC-NNN: Title](./rfc-NNN-title.md) -->