diff --git a/clean_mshr19_NV.py b/clean_mshr19_NV.py
index d8d6ac7..38a5669 100644
--- a/clean_mshr19_NV.py
+++ b/clean_mshr19_NV.py
@@ -5,13 +5,13 @@ from datetime import datetime
 
 # Prompt the user for a valid date in DD/MM/YYYY format
 while True:
-    date_str = input("Please input the date in DD/MM/YYYY format: ")
+    date_str = input("Please input the date in YYYY/MM/DD format: ")
     try:
         # Validate format
-        date_obj = datetime.strptime(date_str, "%d/%m/%Y")
+        date_obj = datetime.strptime(date_str, "%Y-%m-%d")
         break
     except ValueError:
-        print("Invalid date format. Please try again (DD/MM/YYYY).")
+        print("Invalid date format. Please try again (YYYY/MM/DD).")
 
 # Collect all .xls and .xlsx files in the current directory
 excel_files = glob.glob("*.xls") + glob.glob("*.xlsx")