Update README.md

Update docs for Executing in Response to AWS Events section.

README.md

@@ -619,15 +619,15 @@ Optionally you can add [SNS message filters](http://docs.aws.amazon.com/sns/late
        ]
 ```
 
-[SQS](https://docs.aws.amazon.com/lambda/latest/dg/with-sqs.html) is also pulling messages from a stream.  At this time, [only "Standard" queues can trigger lambda events, not "FIFO" queues](https://docs.aws.amazon.com/lambda/latest/dg/with-sqs.html).  Read the AWS Documentation carefully since Lambda calls the SQS DeleteMessage API on your behalf once your function completes successfully.
+[SQS](https://docs.aws.amazon.com/lambda/latest/dg/with-sqs.html) is also pulling messages from a stream. Read the AWS Documentation carefully since Lambda calls the SQS DeleteMessage API on your behalf once your function completes successfully. By default, if your function encounters an error while processing a batch, all messages in that batch become visible in the queue again.
 
 ```javascript
        "events": [
            {
                "function": "your_module.process_messages",
                "event_source": {
                     "arn":  "arn:aws:sqs:us-east-1:12341234:your-queue-name-arn",
-                    "batch_size": 10, // Max: 10. Use 1 to trigger immediate processing
+                    "batch_size": 10, // Maximum: 10 for FIFO and 10,000 for Standard. Use 1 to trigger immediate processing
                     "enabled": true // Default is false
                }
            }