Update 080_register_stakepool.md

Author: steakandbake

node-setup/080_register_stakepool.md

@@ -170,6 +170,6 @@ To verify that your stake pool registration was indeed successful, you can perfo
 
 will output your poolID. You can then check for the presence of your poolID in the network ledger state, with the following command:
 
-    cardano-cli shelley query ledger-state --testnet-magic 42 | grep poolPubKey | grep <poolId>
+    cardano-cli shelley query ledger-state --testnet-magic 42 | grep publicKey | grep <poolId>
 
 which should return a non-empty string if your poolID is located in the ledger. You can then then head over to a pool listing website such as https://ff.pooltool.io/ and (providing it is up and running and showing a list of registered stake pools) you should hopefully be able to find your pool in there by searching using your poolID, and subsequently claiming it (might require registration on the website) and giving it a customized name.