diff --git a/pages/13.atp-plant-water-sampling/docs.md b/pages/13.atp-plant-water-sampling/docs.md
index 957f392..55eff5d 100644
--- a/pages/13.atp-plant-water-sampling/docs.md
+++ b/pages/13.atp-plant-water-sampling/docs.md
@@ -14,7 +14,7 @@ title: 'ETP and DG  Set Sampling and Report Testing'
 
 **Next due date is mentioned in our daily booking diary as well**
 
-1. Generator service is due on the month of March 2019. Next service will be after one year or 250 hours run (March 2020).
+1. Generator service is due on the month of March 2018. Next service will be after one year or 250 hours run (March 2019).
 2. Bar, Restaurent & Kitchen drain pipes cleans every week.
 3. Main hole chamber (grease trap) cleans once in a month.  
 4. Report of DG Set waste oil (Hazardous Materials) to submited by 31st march of every year at pollution control board.