Updates SDK documentation

apis/sqs-2012-11-05.normal.json

@@ -49,7 +49,7 @@
           "shape": "UnsupportedOperation"
         }
       ],
-      "documentation": "<p>Cancels a specified message movement task.</p> <note> <ul> <li> <p>A message movement can only be cancelled when the current status is RUNNING.</p> </li> <li> <p>Cancelling a message movement task does not revert the messages that have already been moved. It can only stop the messages that have not been moved yet.</p> </li> </ul> </note>"
+      "documentation": "<p>Cancels a specified message movement task. A message movement can only be cancelled when the current status is RUNNING. Cancelling a message movement task does not revert the messages that have already been moved. It can only stop the messages that have not been moved yet.</p> <note> <ul> <li> <p>This action is currently limited to supporting message redrive from <a href=\"https://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-dead-letter-queues.html\">dead-letter queues (DLQs)</a> only. In this context, the source queue is the dead-letter queue (DLQ), while the destination queue can be the original source queue (from which the messages were driven to the dead-letter-queue), or a custom destination queue. </p> </li> <li> <p>Currently, only standard queues are supported.</p> </li> <li> <p>Only one active message movement task is supported per queue at any given time.</p> </li> </ul> </note>"
     },
     "ChangeMessageVisibility": {
       "name": "ChangeMessageVisibility",
@@ -262,7 +262,7 @@
           "shape": "UnsupportedOperation"
         }
       ],
-      "documentation": "<p>Gets the most recent message movement tasks (up to 10) under a specific source queue.</p>"
+      "documentation": "<p>Gets the most recent message movement tasks (up to 10) under a specific source queue.</p> <note> <ul> <li> <p>This action is currently limited to supporting message redrive from <a href=\"https://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-dead-letter-queues.html\">dead-letter queues (DLQs)</a> only. In this context, the source queue is the dead-letter queue (DLQ), while the destination queue can be the original source queue (from which the messages were driven to the dead-letter-queue), or a custom destination queue. </p> </li> <li> <p>Currently, only standard queues are supported.</p> </li> <li> <p>Only one active message movement task is supported per queue at any given time.</p> </li> </ul> </note>"
     },
     "ListQueueTags": {
       "name": "ListQueueTags",
@@ -311,7 +311,7 @@
           "shape": "PurgeQueueInProgress"
         }
       ],
-      "documentation": "<p>Deletes the messages in a queue specified by the <code>QueueURL</code> parameter.</p> <important> <p>When you use the <code>PurgeQueue</code> action, you can't retrieve any messages deleted from a queue.</p> <p>The message deletion process takes up to 60 seconds. We recommend waiting for 60 seconds regardless of your queue's size. </p> </important> <p>Messages sent to the queue <i>before</i> you call <code>PurgeQueue</code> might be received but are deleted within the next minute.</p> <p>Messages sent to the queue <i>after</i> you call <code>PurgeQueue</code> might be deleted while the queue is being purged.</p>"
+      "documentation": "<p>Deletes available messages in a queue (including in-flight messages) specified by the <code>QueueURL</code> parameter.</p> <important> <p>When you use the <code>PurgeQueue</code> action, you can't retrieve any messages deleted from a queue.</p> <p>The message deletion process takes up to 60 seconds. We recommend waiting for 60 seconds regardless of your queue's size. </p> </important> <p>Messages sent to the queue <i>before</i> you call <code>PurgeQueue</code> might be received but are deleted within the next minute.</p> <p>Messages sent to the queue <i>after</i> you call <code>PurgeQueue</code> might be deleted while the queue is being purged.</p>"
     },
     "ReceiveMessage": {
       "name": "ReceiveMessage",
@@ -439,7 +439,7 @@
           "shape": "UnsupportedOperation"
         }
       ],
-      "documentation": "<p>Starts an asynchronous task to move messages from a specified source queue to a specified destination queue.</p> <note> <ul> <li> <p>This action is currently limited to supporting message redrive from dead-letter queues (DLQs) only. In this context, the source queue is the dead-letter queue (DLQ), while the destination queue can be the original source queue (from which the messages were driven to the dead-letter-queue), or a custom destination queue. </p> </li> <li> <p>Currently, only standard queues are supported.</p> </li> <li> <p>Only one active message movement task is supported per queue at any given time.</p> </li> </ul> </note>"
+      "documentation": "<p>Starts an asynchronous task to move messages from a specified source queue to a specified destination queue.</p> <note> <ul> <li> <p>This action is currently limited to supporting message redrive from queues that are configured as <a href=\"https://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-dead-letter-queues.html\">dead-letter queues (DLQs)</a> of other Amazon SQS queues only. Non-SQS queue sources of dead-letter queues, such as Lambda or Amazon SNS topics, are currently not supported.</p> </li> <li> <p>In dead-letter queues redrive context, the <code>StartMessageMoveTask</code> the source queue is the DLQ, while the destination queue can be the original source queue (from which the messages were driven to the dead-letter-queue), or a custom destination queue.</p> </li> <li> <p>Currently, only standard queues support redrive. FIFO queues don't support redrive.</p> </li> <li> <p>Only one active message movement task is supported per queue at any given time.</p> </li> </ul> </note>"
     },
     "TagQueue": {
       "name": "TagQueue",
@@ -1598,7 +1598,7 @@
       "members": {
         "SourceArn": {
           "shape": "String",
-          "documentation": "<p>The ARN of the queue that contains the messages to be moved to another queue. Currently, only dead-letter queue (DLQ) ARNs are accepted.</p>"
+          "documentation": "<p>The ARN of the queue that contains the messages to be moved to another queue. Currently, only ARNs of dead-letter queues (DLQs) whose sources are other Amazon SQS queues are accepted. DLQs whose sources are non-SQS queues, such as Lambda or Amazon SNS topics, are not currently supported.</p>"
         },
         "DestinationArn": {
           "shape": "String",