diff --git a/checkman/cisco_asa_fan b/checkman/cisco_asa_fan
index 7c601da71cbd089a691525274157048da72db8a3..359e325776b22e84e4986b7947f5102c4b9604b1 100644
--- a/checkman/cisco_asa_fan
+++ b/checkman/cisco_asa_fan
@@ -1,17 +1,12 @@
 title: Cisco ASA: fan sensors
 agents: snmp
-author: Th.L.
+author: thl-cmk@outlook.com
 catalog: hw/network/cisco
 license: GPLv3
 distribution: https://thl-cmk.hopto.org
 description:
  The Cisco "Adaptive Security Appliances" (ASA) has some fan sensors.
- This check allows to monitor this Sensors. Default levels are 7000/8000 rpm 
- for warning/critical.
- 
- The check uses the entPhySensorEntry from the ENTITY-SENSOR-MIB (1.3.6.1.2.1.99.1.1.1). 
- 
- The check is tested against ASA-5512X devices.
+ This check allows to monitor this Sensors.
 
 
 perfdata:
@@ -27,6 +22,6 @@ inventory:
 
 
 parameters:
-  Warning/Critical levels. Default is 7000/8000 rpm.
+  lower/upper levels for fan speed. Default is lower: 2000/1000 rpm.
 
 
diff --git a/cisco_asa_fan.mkp b/cisco_asa_fan.mkp
index b7f781b8171a1d9953c4e4a97b0c343eb2a19983..b198f0a6b238037e36d319937a21d4bd4df4c253 100644
Binary files a/cisco_asa_fan.mkp and b/cisco_asa_fan.mkp differ