diff --git a/Water quality calibration/readme.md b/Water quality calibration/readme.md
index 07bd19d2fe7c8e58f32906f0692988a2fe266acf..d6510ee0c201d075d6748c859f45e55977f7251a 100644
--- a/Water quality calibration/readme.md	
+++ b/Water quality calibration/readme.md	
@@ -1,4 +1,4 @@
-Explanations:
+The followind excel files need to be saved in the folder where the .sqlite file is saved:
 
 event_dict.xlsx:
 - this excel file contains information if multiple events are simulated together