diff --git a/NODES_on_Ethereum/running-a-node-advanced.md b/NODES_on_Ethereum/running-a-node-advanced.md
index d167b55..c0bbb22 100644
--- a/NODES_on_Ethereum/running-a-node-advanced.md
+++ b/NODES_on_Ethereum/running-a-node-advanced.md
@@ -172,7 +172,7 @@ openssl rand -hex 32 > jwtsecret
 
 ----
 
-### useful commands
+### useful commands and urls
 
 <br>
 
@@ -185,6 +185,10 @@ openssl rand -hex 32 > jwtsecret
 
 <br>
 
+#### beacon chain checkpoint sync
+
+* [eth panda ops](https://goerli.checkpoint-sync.ethpandaops.io)
+
 
 ----