diff --git a/client/flags/flags.go b/client/flags/flags.go
index 956690f506..125f5ac5a6 100644
--- a/client/flags/flags.go
+++ b/client/flags/flags.go
@@ -95,7 +95,7 @@ func AddTxFlagsToCmd(cmd *cobra.Command) {
 	cmd.Flags().Uint64P(FlagSequence, "s", 0, "The sequence number of the signing account (offline mode only)")
 	cmd.Flags().String(FlagMemo, "", "Memo to send along with transaction")
 	cmd.Flags().String(FlagFees, "", "Fees to pay along with transaction; eg: 10uatom")
-	cmd.Flags().String(FlagGasPrices, "", "Gas prices to determine the transaction fee (e.g. 10uatom)")
+	cmd.Flags().String(FlagGasPrices, "", "Gas prices in decimal format to determine the transaction fee (e.g. 0.1uatom)")
 	cmd.Flags().String(FlagNode, "tcp://localhost:26657", "<host>:<port> to tendermint rpc interface for this chain")
 	cmd.Flags().Bool(FlagUseLedger, false, "Use a connected Ledger device")
 	cmd.Flags().Float64(FlagGasAdjustment, DefaultGasAdjustment, "adjustment factor to be multiplied against the estimate returned by the tx simulation; if the gas limit is set manually this flag is ignored ")