diff --git a/docs/architecture/adr-040-storage-and-smt-state-commitments.md b/docs/architecture/adr-040-storage-and-smt-state-commitments.md
index 9361d0d1c..75bf962a6 100644
--- a/docs/architecture/adr-040-storage-and-smt-state-commitments.md
+++ b/docs/architecture/adr-040-storage-and-smt-state-commitments.md
@@ -236,7 +236,7 @@ We change the storage layout of the state machine, a storage hard fork and netwo
 
 Most of the alternative designs were evaluated in [state commitments and storage report](https://paper.dropbox.com/published/State-commitments-and-storage-review--BDvA1MLwRtOx55KRihJ5xxLbBw-KeEB7eOd11pNrZvVtqUgL3h).
 
-Ethereum research published [Verkle Tire](https://notes.ethereum.org/_N1mutVERDKtqGIEYc-Flw#fnref1) - an idea of combining polynomial commitments with merkle tree in order to reduce the tree height. This concept has a very good potential, but we think it's too early to implement it. The current, SMT based design could be easily updated to the Verkle Tire once other research implement all necessary libraries. The main advantage of the design described in this ADR is the separation of state commitments from the data storage and designing a more powerful interface.
+Ethereum research published [Verkle Trie](https://dankradfeist.de/ethereum/2021/06/18/verkle-trie-for-eth1.html) - an idea of combining polynomial commitments with merkle tree in order to reduce the tree height. This concept has a very good potential, but we think it's too early to implement it. The current, SMT based design could be easily updated to the Verkle Trie once other research implement all necessary libraries. The main advantage of the design described in this ADR is the separation of state commitments from the data storage and designing a more powerful interface.
 
 ## Further Discussions