diff --git a/cmd/geth/blsaccountcmd.go b/cmd/geth/blsaccountcmd.go
index 5c51da79d..64c792675 100644
--- a/cmd/geth/blsaccountcmd.go
+++ b/cmd/geth/blsaccountcmd.go
@@ -199,7 +199,7 @@ Delete the selected BLS account from the BLS wallet.`,
 						Name:      "generate-proof",
 						Usage:     "Generate ownership proof for the selected BLS account from the BLS wallet",
 						Action:    blsAccountGenerateProof,
-						ArgsUsage: "<BLS pubkey>",
+						ArgsUsage: "<operator address> <BLS pubkey>",
 						Category:  "BLS ACCOUNT COMMANDS",
 						Flags: []cli.Flag{
 							utils.DataDirFlag,