diff --git a/NODES_on_Ethereum/README.md b/NODES_on_Ethereum/README.md
index 78fc443..428f34e 100644
--- a/NODES_on_Ethereum/README.md
+++ b/NODES_on_Ethereum/README.md
@@ -11,10 +11,11 @@
 
 <br>
 
-* [running nodes / validators](https://github.com/bt3gl-labs/1337_mev_toolkit/blob/main/nodes/running-a-node.md)
-* [running nodes / validators (advanced)](https://github.com/bt3gl-labs/1337_mev_toolkit/blob/main/nodes/running-a-node-advanced.md)
+* [running nodes and validators](running-a-node.md)
+* [advanced resources on running nodes and validators](running-a-node-advanced.md)
 * [geth on kubernetes](geth_and_k8s)
-* [list and specs for relays](https://github.com/MEV-WAIFU-LABS/mev_waifu_toolkit/blob/main/NODES_on_Ethereum/relays.md)
+* [list and specs for relays](RELAYS.md)
+* [notes on casper ffg](casper-ffg.md)
 
 
 <br>