diff --git a/docs/messaging/messaging-metrics.md b/docs/messaging/messaging-metrics.md
index 6f0d6c9659..2f68b2212f 100644
--- a/docs/messaging/messaging-metrics.md
+++ b/docs/messaging/messaging-metrics.md
@@ -25,7 +25,7 @@
 
 This metric is [required][MetricRequired].
 
-When this metric is reported alongside an messaging publish span, the metric value SHOULD be the same as the corresponding span duration.
+When this metric is reported alongside a messaging publish span, the metric value SHOULD be the same as the corresponding span duration.
 
 This metric SHOULD be specified with
 [`ExplicitBucketBoundaries`](https://github.com/open-telemetry/opentelemetry-specification/tree/v1.21.0/specification/metrics/api.md#instrument-advice)
@@ -41,7 +41,7 @@ of `[ 0, 0.005, 0.01, 0.025, 0.05, 0.075, 0.1, 0.25, 0.5, 0.75, 1, 2.5, 5, 7.5,
 | Attribute  | Type | Description  | Examples  | Requirement Level |
 |---|---|---|---|---|
 | `messaging.system` | string | A string identifying the messaging system. | `kafka`; `rabbitmq`; `rocketmq`; `activemq`; `AmazonSQS` | Required |
-| `messaging.status.code` | string | The status of the operation. [1] | `OK`; `ERROR`; `TIMEOUT` | Required |
+| `messaging.status.code` | string | The status of the operation. [1] | `OK`; `ERROR` | Required |
 | `messaging.destination.name` | string | The message destination name [2] | `MyQueue`; `MyTopic` | Conditionally Required: [3] |
 | `messaging.destination.template` | string | Low cardinality representation of the messaging destination name [4] | `/customers/{customerId}` | Conditionally Required: if available. |
 | [`network.protocol.name`](../general/attributes.md) | string | [OSI Application Layer](https://osi-model.com/application-layer/) or non-OSI equivalent. The value SHOULD be normalized to lowercase. | `amqp`; `mqtt` | Recommended |
@@ -89,7 +89,7 @@ For example, RabbitMQ does not support batch publishing and corresponding instru
 | Attribute  | Type | Description  | Examples  | Requirement Level |
 |---|---|---|---|---|
 | `messaging.system` | string | A string identifying the messaging system. | `kafka`; `rabbitmq`; `rocketmq`; `activemq`; `AmazonSQS` | Required |
-| `messaging.status.code` | string | The status of the operation. [1] | `OK`; `ERROR`; `TIMEOUT` | Required |
+| `messaging.status.code` | string | The status of the operation. [1] | `OK`; `ERROR` | Required |
 | `messaging.destination.name` | string | The message destination name [2] | `MyQueue`; `MyTopic` | Conditionally Required: [3] |
 | `messaging.destination.template` | string | Low cardinality representation of the messaging destination name [4] | `/customers/{customerId}` | Conditionally Required: if available. |
 | [`network.protocol.name`](../general/attributes.md) | string | [OSI Application Layer](https://osi-model.com/application-layer/) or non-OSI equivalent. The value SHOULD be normalized to lowercase. | `amqp`; `mqtt` | Recommended |
@@ -138,7 +138,7 @@ When this metric is reported alongside a messaging receive span, the metric valu
 | Attribute  | Type | Description  | Examples  | Requirement Level |
 |---|---|---|---|---|
 | `messaging.system` | string | A string identifying the messaging system. | `kafka`; `rabbitmq`; `rocketmq`; `activemq`; `AmazonSQS` | Required |
-| `messaging.status.code` | string | The status of the operation. [1] | `OK`; `ERROR`; `TIMEOUT` | Required |
+| `messaging.status.code` | string | The status of the operation. [1] | `OK`; `ERROR` | Required |
 | `messaging.destination.name` | string | The message destination name [2] | `MyQueue`; `MyTopic` | Conditionally Required: [3] |
 | `messaging.destination.template` | string | Low cardinality representation of the messaging destination name [4] | `/customers/{customerId}` | Conditionally Required: if available. |
 | [`network.protocol.name`](../general/attributes.md) | string | [OSI Application Layer](https://osi-model.com/application-layer/) or non-OSI equivalent. The value SHOULD be normalized to lowercase. | `amqp`; `mqtt` | Recommended |
@@ -185,7 +185,7 @@ _Note: The need to report `messaging.receive.messages` depends on the messaging
 | Attribute  | Type | Description  | Examples  | Requirement Level |
 |---|---|---|---|---|
 | `messaging.system` | string | A string identifying the messaging system. | `kafka`; `rabbitmq`; `rocketmq`; `activemq`; `AmazonSQS` | Required |
-| `messaging.status.code` | string | The status of the operation. [1] | `OK`; `ERROR`; `TIMEOUT` | Required |
+| `messaging.status.code` | string | The status of the operation. [1] | `OK`; `ERROR` | Required |
 | `messaging.destination.name` | string | The message destination name [2] | `MyQueue`; `MyTopic` | Conditionally Required: [3] |
 | `messaging.destination.template` | string | Low cardinality representation of the messaging destination name [4] | `/customers/{customerId}` | Conditionally Required: if available. |
 | [`network.protocol.name`](../general/attributes.md) | string | [OSI Application Layer](https://osi-model.com/application-layer/) or non-OSI equivalent. The value SHOULD be normalized to lowercase. | `amqp`; `mqtt` | Recommended |
@@ -220,7 +220,7 @@ the broker does not have such notion, the destination name SHOULD uniquely ident
 
 This metric is [required][MetricRequired] when messaging system supports push-based deliver operations.
 
-When this metric is reported alongside an messaging deliver span, the metric value SHOULD be the same as the corresponding span duration.
+When this metric is reported alongside a messaging deliver span, the metric value SHOULD be the same as the corresponding span duration.
 
 <!-- semconv metric.messaging.deliver.duration(metric_table) -->
 | Name     | Instrument Type | Unit (UCUM) | Description    |
@@ -232,7 +232,7 @@ When this metric is reported alongside an messaging deliver span, the metric val
 | Attribute  | Type | Description  | Examples  | Requirement Level |
 |---|---|---|---|---|
 | `messaging.system` | string | A string identifying the messaging system. | `kafka`; `rabbitmq`; `rocketmq`; `activemq`; `AmazonSQS` | Required |
-| `messaging.status.code` | string | The status of the operation. [1] | `OK`; `ERROR`; `TIMEOUT` | Required |
+| `messaging.status.code` | string | The status of the operation. [1] | `OK`; `ERROR` | Required |
 | `messaging.destination.name` | string | The message destination name [2] | `MyQueue`; `MyTopic` | Conditionally Required: [3] |
 | `messaging.destination.template` | string | Low cardinality representation of the messaging destination name [4] | `/customers/{customerId}` | Conditionally Required: if available. |
 | [`network.protocol.name`](../general/attributes.md) | string | [OSI Application Layer](https://osi-model.com/application-layer/) or non-OSI equivalent. The value SHOULD be normalized to lowercase. | `amqp`; `mqtt` | Recommended |
@@ -279,7 +279,7 @@ _Note: The need to report `messaging.deliver.messages` depends on the messaging
 | Attribute  | Type | Description  | Examples  | Requirement Level |
 |---|---|---|---|---|
 | `messaging.system` | string | A string identifying the messaging system. | `kafka`; `rabbitmq`; `rocketmq`; `activemq`; `AmazonSQS` | Required |
-| `messaging.status.code` | string | The status of the operation. [1] | `OK`; `ERROR`; `TIMEOUT` | Required |
+| `messaging.status.code` | string | The status of the operation. [1] | `OK`; `ERROR` | Required |
 | `messaging.destination.name` | string | The message destination name [2] | `MyQueue`; `MyTopic` | Conditionally Required: [3] |
 | `messaging.destination.template` | string | Low cardinality representation of the messaging destination name [4] | `/customers/{customerId}` | Conditionally Required: if available. |
 | [`network.protocol.name`](../general/attributes.md) | string | [OSI Application Layer](https://osi-model.com/application-layer/) or non-OSI equivalent. The value SHOULD be normalized to lowercase. | `amqp`; `mqtt` | Recommended |
@@ -314,7 +314,7 @@ the broker does not have such notion, the destination name SHOULD uniquely ident
 
 This metric is [required][MetricRequired] when messaging system supports settle operations.
 
-When this metric is reported alongside an messaging settle span, the metric value SHOULD be the same as the corresponding span duration.
+When this metric is reported alongside a messaging settle span, the metric value SHOULD be the same as the corresponding span duration.
 
 <!-- semconv metric.messaging.settle.duration(metric_table) -->
 | Name     | Instrument Type | Unit (UCUM) | Description    |
@@ -326,7 +326,7 @@ When this metric is reported alongside an messaging settle span, the metric valu
 | Attribute  | Type | Description  | Examples  | Requirement Level |
 |---|---|---|---|---|
 | `messaging.system` | string | A string identifying the messaging system. | `kafka`; `rabbitmq`; `rocketmq`; `activemq`; `AmazonSQS` | Required |
-| `messaging.status.code` | string | The status of the operation. [1] | `OK`; `ERROR`; `TIMEOUT` | Required |
+| `messaging.status.code` | string | The status of the operation. [1] | `OK`; `ERROR` | Required |
 | `messaging.todo_settlement.status` | string | The status of the settlement: acknowledged, rejected, TODO | `ack`; `nack` | Recommended |
 | `messaging.destination.name` | string | The message destination name [2] | `MyQueue`; `MyTopic` | Conditionally Required: [3] |
 | `messaging.destination.template` | string | Low cardinality representation of the messaging destination name [4] | `/customers/{customerId}` | Conditionally Required: if available. |
@@ -375,7 +375,7 @@ _Note: The need to report `messaging.settle.messages` depends on the messaging s
 | Attribute  | Type | Description  | Examples  | Requirement Level |
 |---|---|---|---|---|
 | `messaging.system` | string | A string identifying the messaging system. | `kafka`; `rabbitmq`; `rocketmq`; `activemq`; `AmazonSQS` | Required |
-| `messaging.status.code` | string | The status of the operation. [1] | `OK`; `ERROR`; `TIMEOUT` | Required |
+| `messaging.status.code` | string | The status of the operation. [1] | `OK`; `ERROR` | Required |
 | `messaging.destination.name` | string | The message destination name [2] | `MyQueue`; `MyTopic` | Conditionally Required: [3] |
 | `messaging.destination.template` | string | Low cardinality representation of the messaging destination name [4] | `/customers/{customerId}` | Conditionally Required: if available. |
 | [`network.protocol.name`](../general/attributes.md) | string | [OSI Application Layer](https://osi-model.com/application-layer/) or non-OSI equivalent. The value SHOULD be normalized to lowercase. | `amqp`; `mqtt` | Recommended |