Update README

README.rst

@@ -62,8 +62,14 @@ If the event source send multiple records to be processed, you can enable Multit
 Environment variable called ``THREADING_ENABLED`` with value ``TRUE``. This will make a loop into event records, starting a
 thread for each record. Your handler will receive each record in a separeted call, inside a thread model.
 
+Batch Mode
+----------
+If the event source send multiple records to be processed, the layer will execute your handler one time for each record.
+To disable this behaviour, just create a variable called ``BATCH_REQUEST`` with value ``FALSE``. This option only works 
+if the ``THREADING_ENABLED`` was not set to ``TRUE``
+
 Logging
---------
+-------
 You can define the general log verbosity level using a Environment variable called ``LOG_LEVEL`` and the boto3 log level
 using a Environment variable called ``BOTO_LOG_LEVEL``. 
 
@@ -82,7 +88,7 @@ The default values are:
    BOTO_LOG_LEVEL` = 'CRITICAL'
 
 Credits
---------
+-------
 Decorator implementation inspired by https://github.com/aws-cloudformation/custom-resource-helper
 
 Log implementation inspired by https://gitlab.com/hadrien/aws_lambda_logging