fix messaging

Author: thompson-tomo

docs/registry/attributes/messaging.md

@@ -195,6 +195,12 @@ Describes deprecated messaging attributes.
 | <a id="messaging-kafka-consumer-group" href="#messaging-kafka-consumer-group">`messaging.kafka.consumer.group`</a> | string | Deprecated, use `messaging.consumer.group.name` instead. | `my-group` | ![Deprecated](https://img.shields.io/badge/-deprecated-red)<br>Replaced by `messaging.consumer.group.name`. |
 | <a id="messaging-kafka-destination-partition" href="#messaging-kafka-destination-partition">`messaging.kafka.destination.partition`</a> | int | Deprecated, use `messaging.destination.partition.id` instead. | `2` | ![Deprecated](https://img.shields.io/badge/-deprecated-red)<br>Replaced by `messaging.destination.partition.id`. |
 | <a id="messaging-kafka-message-offset" href="#messaging-kafka-message-offset">`messaging.kafka.message.offset`</a> | int | Deprecated, use `messaging.kafka.offset` instead. | `42` | ![Deprecated](https://img.shields.io/badge/-deprecated-red)<br>Replaced by `messaging.kafka.offset`. |
+| <a id="messaging-message-payload-compressed-size-bytes" href="#messaging-message-payload-compressed-size-bytes">`messaging.message.payload_compressed_size_bytes`</a> | int | The compressed size of the message payload in bytes. [11] | `2048` | ![Deprecated](https://img.shields.io/badge/-deprecated-red)<br>Obsoleted. |
+| <a id="messaging-message-payload-size-bytes" href="#messaging-message-payload-size-bytes">`messaging.message.payload_size_bytes`</a> | int | The (uncompressed) size of the message payload in bytes. Also use this attribute if it is unknown whether the compressed or uncompressed payload size is reported. [12] | `2738` | ![Deprecated](https://img.shields.io/badge/-deprecated-red)<br>Replaced by `messaging.message.envelope.size`. |
 | <a id="messaging-operation" href="#messaging-operation">`messaging.operation`</a> | string | Deprecated, use `messaging.operation.type` instead. | `publish`; `create`; `process` | ![Deprecated](https://img.shields.io/badge/-deprecated-red)<br>Replaced by `messaging.operation.type`. |
 | <a id="messaging-rocketmq-client-group" href="#messaging-rocketmq-client-group">`messaging.rocketmq.client_group`</a> | string | Deprecated, use `messaging.consumer.group.name` instead. | `myConsumerGroup` | ![Deprecated](https://img.shields.io/badge/-deprecated-red)<br>Replaced by `messaging.consumer.group.name` on the consumer spans. No replacement for producer spans. |
 | <a id="messaging-servicebus-destination-subscription-name" href="#messaging-servicebus-destination-subscription-name">`messaging.servicebus.destination.subscription_name`</a> | string | Deprecated, use `messaging.destination.subscription.name` instead. | `subscription-a` | ![Deprecated](https://img.shields.io/badge/-deprecated-red)<br>Replaced by `messaging.destination.subscription.name`. |
+
+**[11] `messaging.message.payload_compressed_size_bytes`:** Only if span represents operation on a single message.
+
+**[12] `messaging.message.payload_size_bytes`:** Only if span represents operation on a single message.