README.md in semantic_logger-4.12.0 vs README.md in semantic_logger-4.13.0

@@ -53,9 +53,10 @@
 The following gems are only required when their corresponding appenders are being used,
 and are therefore not automatically included by this gem:
 - Bugsnag Appender: gem 'bugsnag'
 - MongoDB Appender: gem 'mongo' 1.9.2 or above
 - NewRelic Appender: gem 'newrelic_rpm'
+- NewRelicLogs Appender: gem 'newrelic_rpm'
 - Syslog Appender: gem 'syslog_protocol' 0.9.2 or above
 - Syslog Appender to a remote syslogng server over TCP or UDP: gem 'net_tcp_client'
 - Splunk Appender: gem 'splunk-sdk-ruby'
 - Elasticsearch Appender: gem 'elasticsearch'
 - Kafka Appender: gem 'ruby-kafka'