diff --git a/docs/rfc/README.md b/docs/rfc/README.md
index 8905c0160..b5c42ea85 100644
--- a/docs/rfc/README.md
+++ b/docs/rfc/README.md
@@ -52,5 +52,6 @@ sections.
 - [RFC-012: Event Indexing Revisited](./rfc-012-custom-indexing.md)
 - [RFC-013: ABCI++](./rfc-013-abci++.md)
 - [RFC-014: Semantic Versioning](./rfc-014-semantic-versioning.md)
+- [RFC-015: ABCI++ Tx Mutation](./rfc-015-abci++-tx-mutation.md)
 
 <!-- - [RFC-NNN: Title](./rfc-NNN-title.md) -->