Add MexLevalParallelism and update MessageConsumeLimitPerTopic in REA…

…DME.md file

README.md

@@ -28,7 +28,7 @@ Here is the explanation of environment variables. Please note that the config pr
 - Retry Suffix: The suffix of retry topics
 - GroupId: GroupId for Retry Job Consumer
 - RetryTopicNameInHeader: Retry topic name that will be presented in the header of each message to transfer them corresponding retry topic
-- MessageConsumeLimitPerTopicPartition: Limit the total number of messages that can be consumed for a topic partition
+- MessageConsumeLimitPerTopic: Limit the total number of messages that can be consumed for a topic
 - EnableAutoCommit: Enable/disable auto commit config
 - EnableAutoOffsetStore: Enable/disable auto offset store config
 - ProducerEnableIdempotence: EnableIdempotence property of Confluent Kafka ProducerConfig
@@ -39,6 +39,7 @@ Here is the explanation of environment variables. Please note that the config pr
 - ProducerMessageTimeoutMs: MessageTimeoutMs property of Confluent Kafka ProducerConfig
 - ProducerRequestTimeoutMs: RequestTimeoutMs property of Confluent Kafka ProducerConfig
 - ProducerMessageMaxBytes: MessageMaxBytes property of Confluent Kafka ProducerConfig 
+- MaxLevelParallelism: Max thread count to process topics in parallel to allow faster processing time (1 in default)
 
 ## Getting Started