cleanup default worker config

worker.cfg

@@ -235,9 +235,9 @@ use_perl_cache=on
 
 # Show worker identifier in result output
 # Possible values:
-# 	off: Do not show worker identifier.
-# 	on: The worker identifier is displayed at the beginning of the plugin output. E.g. "(worker: w1) Service is Running"
-# 	pre_perfdata: The worker identifier is displayed at the end of the plugin output text, but before the perfdata. E.g. "Service is Running (worker: w1) | duration=10ms, version=1"
+#   off:          Do not show worker identifier. (default)
+#   on:           The worker identifier is displayed at the beginning of the plugin output. E.g. "(worker: w1) Service is Running"
+#   pre_perfdata: The worker identifier is displayed at the end of the plugin output text, but before the perfdata. E.g. "Service is Running (worker: w1) | duration=10ms, version=1"
 #
 # Default is off
 #worker_name_in_result=off