diff --git a/NODES_on_Ethereum/README.md b/NODES_on_Ethereum/README.md
index 428f34e..75d7a85 100644
--- a/NODES_on_Ethereum/README.md
+++ b/NODES_on_Ethereum/README.md
@@ -22,13 +22,14 @@
----
-## articles
+## further resources
* [Ethereum Proof-of-Stake Consensus Specifications](https://github.com/ethereum/consensus-specs/tree/dev/specs)
* [Increasing censorship resistance of transactions under proposer/builder separation (PBS), by Vitalik et al](https://notes.ethereum.org/@vbuterin/pbs_censorship_resistance)
* [Weak Subjectivity in Eth2.0](https://notes.ethereum.org/@adiasg/weak-subjectvity-eth2)
+* [Ethereum Proof-of-Stake Consensus Specifications](https://github.com/ethereum/consensus-specs)