Merge pull request #305880 from ggailey777/patch-5

[Functions] Service Bus bindings-improve `maxAutoLockRenewalDuration` description

Author: prmerger-automator[bot]

articles/azure-functions/functions-bindings-service-bus.md

@@ -271,7 +271,7 @@ The `clientRetryOptions` settings only apply to interactions with the Service Bu
 |**transportType**| amqpTcp | The protocol and transport that is used for communicating with Service Bus. Available options: `amqpTcp`, `amqpWebSockets`|
 |**webProxy**| n/a | The proxy to use for communicating with Service Bus over web sockets. A proxy cannot be used with the `amqpTcp` transport. |
 |**autoCompleteMessages**|`true`|Determines whether or not to automatically complete messages after successful execution of the function.|
-|**maxAutoLockRenewalDuration**|`00:05:00`|The maximum duration within which the message lock will be renewed automatically. This setting only applies for functions that receive a single message at a time.|
+|**maxAutoLockRenewalDuration**|`00:05:00`|The maximum duration within which the message lock will be renewed automatically. This setting only applies for functions that receive a single message at a time and doesn't apply to functions receiving a batch of messages. For batches, the maximum duration is set [in Service Bus at the queue or subscription level](/azure/service-bus-messaging/message-transfers-locks-settlement#renew-locks).|
 |**maxConcurrentCalls**|`16`| By default, the Functions runtime processes multiple messages concurrently. This setting limits the maximum number of concurrent calls to the callback that can be initiated per-scaled-instance. When your hosting plan has more than one core per instance, the maximum number of calls is effectively multiplied by the number of cores. For example, in a plan that runs on hardware with two cores, the default setting of `16` means that the maximum number of concurrent calls per instance is really `32` (or `2 * 16`). This setting is used only when the `isSessionsEnabled` property or attribute on [the trigger](functions-bindings-service-bus-trigger.md) is set to `false`. This setting only applies for functions that receive a single message at a time as opposed to in a batch. |
 |**maxConcurrentSessions**|`8`|The maximum number of sessions that can be handled concurrently per scaled instance. This setting is used only when the `isSessionsEnabled` property or attribute on [the trigger](functions-bindings-service-bus-trigger.md) is set to `true`. This setting only applies for functions that receive a single message at a time.|
 |**maxMessageBatchSize**|`1000`|The maximum number of messages that will be passed to each function call. This setting only applies for functions that receive a batch of messages.|