Add example

client/bank/cli/broadcast.go

@@ -13,6 +13,7 @@ func GetBroadcastCommand(codec *amino.Codec) *cobra.Command {
 		Short: "Broadcast transactions generated offline",
 		Long: `Broadcast transactions created with the --generate-only flag and signed with the sign command.
 Read a transaction from <file> and broadcast it to a node.`,
+		Example: "iriscli bank broadcast <file>",
 		Args: cobra.ExactArgs(1),
 		RunE: func(cmd *cobra.Command, args []string) (err error) {
 			cliCtx := context.NewCLIContext().WithCodec(codec)

client/bank/cli/sign.go

@@ -32,6 +32,7 @@ Read a transaction from <file>, sign it, and print its JSON encoding.
 The --offline flag makes sure that the client will not reach out to the local cache.
 Thus account number or sequence number lookups will not be performed and it is
 recommended to set such parameters manually.`,
+		Example: "iriscli bank sign <file> --name <key name> --chain-id=<chain-id>",
 		RunE: makeSignCmd(codec, decoder),
 		Args: cobra.ExactArgs(1),
 	}