lib/low/middleware/request_logger.rb in low-0.0.7 vs lib/low/middleware/request_logger.rb in low-0.0.8

@@ -5,10 +5,10 @@
     # of the request:
     # * _IO_: if RACK_ENV is development or test, use an eponymous file in
     #   the log directory, otherwise use STDOUT (as Heroku likes).
     # * _log_level_: If set, use the LOG_LEVEL environment variable value;
     #   otherwise, use INFO.
-    # * _group_key_: Use request_id env value.
+    # * _group_key_: Use request_id env value (see the RequestId middleware).
     class RequestLogger
       def self.level
         # If `LOG_LEVEL` is a valid level other than INFO,
         if ['FATAL', 'ERROR', 'WARN', 'DEBUG'].include? ENV['LOG_LEVEL']
           # use it;