diff --git a/README.md b/README.md
index 5d5fbbf9d8d9561ccb920a35c33ad23f952c34ed..508efdad008d7d9003d210ad63894d062ca1bb2b 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ Check Info:
 
 * *service*: this check will create one service per power supply
 * *state*: **critical** if powerSupplyStatus is not 'UP'
-* *wato*: none
+* *wato*: Monitoring state if power supply is not 'UP'. Default is **critical**.
 * *perfdata*: none
 
 Testetd with: 23800, 15600 and 5400 appliance models