Update 03-Protocol-Overview.md

Fix typo

Author: Fi3

03-Protocol-Overview.md

@@ -96,7 +96,7 @@ The message framing is outlined below:
 
 | Field Name  | Type | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
 | -------------- | ----------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| extension_type | U16         | Unique identifier of the extension describing this protocol message. <br>Most significant bit (i.e.bit 15, 0-indexed, aka channel_msg) indicates a message which is specific to a channel, whereas if the most significant bit is unset, the message is to be interpreted by the immediate receiving device. <br>Note that the channel_msg bit is ignored in the extension lookup, i.e.an extension_type of 0x8ABC is for the same "extension" as 0x0ABC. <br>If the channel_msg bit is set, the first four bytes of the payload field is a U32 representing the channel_id this message is destined for (these bytes are repeated in the message framing descriptions below). <br>Note that for the Job Declaration and Template Distribution Protocols the channel_msg bit is always unset. |
+| extension_type | U16         | Unique identifier of the extension describing this protocol message. <br>Least significant bit (i.e.bit 15, 0-indexed, aka channel_msg) indicates a message which is specific to a channel, whereas if the most significant bit is unset, the message is to be interpreted by the immediate receiving device. <br>Note that the channel_msg bit is ignored in the extension lookup, i.e.an extension_type of 0x8ABC is for the same "extension" as 0x0ABC. <br>If the channel_msg bit is set, the first four bytes of the payload field is a U32 representing the channel_id this message is destined for (these bytes are repeated in the message framing descriptions below). <br>Note that for the Job Declaration and Template Distribution Protocols the channel_msg bit is always unset. |
 | msg_type       | U8          | Unique identifier of the extension describing this protocol message                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
 | msg_length     | U24         | Length of the protocol message, not including this header                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
 | payload        | BYTES       | Message-specific payload of length msg_length. If the MSB in extension_type (the channel_msg bit) is set the first four bytes are defined as a U32 "channel_id", though this definition is repeated in the message definitions below and these 4 bytes are included in msg_length.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |