diff --git a/en/services/ftp.md b/en/services/ftp.md
index b1eae5ae2..a6ad0ab82 100644
--- a/en/services/ftp.md
+++ b/en/services/ftp.md
@@ -65,7 +65,7 @@ Below is the over-the-wire format for the payload part of the [FILE_TRANSFER_PRO
 | 6               | `uint8_t burst_complete` | Burst complete              | 0, 1                | Code to indicate if a burst is complete. 1: set of burst packets complete, 0: More burst packets coming.<br>- Only used if `req_opcode` is [BurstReadFile](#BurstReadFile).                                                                                                                                                                                                                             |
 | 7               | `uint8_t padding`        | Padding                     |                     | 32 bit alignment padding.                                                                                                                                                                                                                                                                                                                                                                               |
 | 8 to 11         | `uint32_t offset`        | Content offset              |                     | Offsets into data to be sent for [ListDirectory](#ListDirectory) and [ReadFile](#ReadFile) commands.                                                                                                                                                                                                                                                                                                    |
-| 12 to (max) 251 | `uint8_t data[]`         | Data                        |                     | Command/response data. Varies by [OpCode](#opcodes). This contains the `path` for operations that act on a file or directory. For an ACK for a read or write this is the requested information. For an ACK for a `OpenFileRO` operation this is the size of the file that was opened. For a NAK the first byte is the [error code](#error_codes) and the (optional) second byte may be an error number. |
+| 12 to (max) 250 | `uint8_t data[]`         | Data                        |                     | Command/response data. Varies by [OpCode](#opcodes). This contains the `path` for operations that act on a file or directory. For an ACK for a read or write this is the requested information. For an ACK for a `OpenFileRO` operation this is the size of the file that was opened. For a NAK the first byte is the [error code](#error_codes) and the (optional) second byte may be an error number. |
 
 ## OpCodes/Command {#opcodes}