Fix command documentation

x/slashing/client/cli/query.go

@@ -16,7 +16,7 @@ import (
 // get the command to query signing info
 func GetCmdQuerySigningInfo(storeName string, cdc *wire.Codec) *cobra.Command {
 	cmd := &cobra.Command{
-		Use:   "signing_info [owner-addr]",
+		Use:   "signing_info [validator-pubkey]",
 		Short: "Query a validator's signing information",
 		Args:  cobra.ExactArgs(1),
 		RunE: func(cmd *cobra.Command, args []string) error {