README.md in tasque-0.1.1 vs README.md in tasque-0.2.0

@@ -66,9 +66,12 @@
     config.notify = true
 
     # Send worker heartbeat via Insque
     config.heartbeat = true
     config.heartbeat_interval = 10 # seconds
+
+    # Use RedisMutex instead of database transaction 
+    config.use_mutex = true
     
 
 ## Contributing
 
 1. Fork it