Mention minimum number of transactions required in a Batch

Author: maria-robobug

_code-samples/batch/js/multiAccountBatch.js

@@ -53,6 +53,7 @@ const batchTx = {
   TransactionType: "Batch",
   Account: thirdPartyWallet.address,
   Flags: BatchFlags.tfAllOrNothing, // tfAllOrNothing: All inner transactions must succeed
+  // Must include a minimum of 2 transactions and a maximum of 8 transactions.
   RawTransactions: [
     { RawTransaction: charliePayment },
     { RawTransaction: bobPayment },

_code-samples/batch/js/singleAccountBatch.js

@@ -51,6 +51,7 @@ const batchTx = {
   TransactionType: "Batch",
   Account: sender.address,
   Flags: BatchFlags.tfAllOrNothing, // tfAllOrNothing: All inner transactions must succeed
+  // Must include a minimum of 2 transactions and a maximum of 8 transactions.
   RawTransactions: [
     { RawTransaction: payment1 }, 
     { RawTransaction: payment2 }

docs/references/protocol/transactions/types/batch.md

@@ -126,7 +126,7 @@ In this example, two users are atomically swapping their tokens: XRP for GKO.
 
 ### RawTransactions
 
-`RawTransactions` contains the list of inner transactions to be applied. There can be up to 8 transactions included. These transactions can come from one account or multiple accounts.
+`RawTransactions` contains the list of inner transactions to be applied. There must be a minimum of **2** transactions and a maximum of **8** transactions. These transactions can come from one account or multiple accounts.
 
 Each inner transaction:
 

docs/tutorials/how-tos/use-batch-transactions/send-a-multi-account-batch-transaction.md

@@ -86,7 +86,7 @@ Create the Batch transaction and provide the inner transactions. The key fields
 | TransactionType  | The type of transaction, in this case `Batch`.|
 | Account          | The wallet address of the account that is sending the Batch transaction. |
 | Flags            | The flags for the Batch transaction. For this example the transaction is configured with the `tfAllOrNothing` (0x00010000) flag to ensure that either all inner transactions succeed or they all fail atomically. See [Batch Flags](../../../references/protocol/transactions/types/batch.md#batch-flags) for other options. |
-| RawTransactions  | Contains the list of inner transactions to be applied. There can be up to **8** transactions included. These transactions can come from one account or multiple accounts. |
+| RawTransactions  | Contains the list of inner transactions to be applied. Must include a minimum of **2** transactions and a maximum of **8** transactions. These transactions can come from one account or multiple accounts. |
 | BatchSigners     | The list of signatures required for the Batch transaction. This is required because there are multiple accounts' transactions included in the batch. |
 
 {% tabs %}

docs/tutorials/how-tos/use-batch-transactions/send-a-single-account-batch-transaction.md

@@ -88,7 +88,7 @@ Create the Batch transaction and provide the inner transactions. The key fields
 | TransactionType  | The type of transaction, in this case `Batch`.|
 | Account          | The wallet address of the account that is sending the Batch transaction. |
 | Flags            | The flags for the Batch transaction. For this example the transaction is configured with the `tfAllOrNothing` (0x00010000) flag to ensure that either all inner transactions succeed or they all fail atomically. See [Batch Flags](../../../references/protocol/transactions/types/batch.md#batch-flags) for other options. |
-| RawTransactions  | Contains the list of inner transactions to be applied. There can be up to **8** transactions included. These transactions can come from one account or multiple accounts. |
+| RawTransactions  | Contains the list of inner transactions to be applied. Must include a minimum of **2** transactions and a maximum of **8** transactions. These transactions can come from one account or multiple accounts. |
 
 {% tabs %}
 {% tab label="Javascript" %}