docs: change bank multi-send command description (backport cosmos#16950…

…) (cosmos#17019)

x/bank/client/cli/tx.go

@@ -14,6 +14,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/client/tx"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/version"
+	"github.com/cosmos/cosmos-sdk/x/bank/types"
 )
 
 var FlagSplit = "split"
@@ -39,11 +40,16 @@ func NewTxCmd() *cobra.Command {
 // For a better UX this command is limited to send funds from one account to two or more accounts.
 func NewMultiSendTxCmd() *cobra.Command {
 	cmd := &cobra.Command{
-		Use: "send [from_key_or_address] [to_address] [amount]",
-		Short: `Send funds from one account to another. 
-		Note, the'--from' flag is ignored as it is implied from [from_key_or_address].
-		When using '--dry-run' a key name cannot be used, only a bech32 address.`,
-		Args: cobra.ExactArgs(3),
+		Use:   "multi-send [from_key_or_address] [to_address_1 to_address_2 ...] [amount]",
+		Short: "Send funds from one account to two or more accounts.",
+		Long: `Send funds from one account to two or more accounts.
+By default, sends the [amount] to each address of the list.
+Using the '--split' flag, the [amount] is split equally between the addresses.
+Note, the '--from' flag is ignored as it is implied from [from_key_or_address] and 
+separate addresses with space.
+When using '--dry-run' a key name cannot be used, only a bech32 address.`,
+		Example: fmt.Sprintf("%s tx bank multi-send cosmos1... cosmos1... cosmos1... cosmos1... 10stake", version.AppName),
+		Args:    cobra.MinimumNArgs(4),
 		RunE: func(cmd *cobra.Command, args []string) error {
 			err := cmd.Flags().Set(flags.FlagFrom, args[0])
 			if err != nil {