diff --git a/run-node-sepolia.md b/run-node-sepolia.md
index d5868d2..456af95 100644
--- a/run-node-sepolia.md
+++ b/run-node-sepolia.md
@@ -26,7 +26,7 @@ mkdir sepolia/secret
 
 node -e "console.log(require('crypto').randomBytes(32).toString('hex'))" > sepolia/secret/jwt_secret_txt
 
-cast w n |grep "Private Key" |awk -F ": " '{print $2}' |sed 's/0x//' > sepolia/secret/p2p_node_key_txt
+cast w n |grep -i "Private Key" |awk -F ": " '{print $2}' |sed 's/0x//' > sepolia/secret/p2p_node_key_txt
 ```
 
 ### Operating the Node