diff --git a/my_lib/my_funcs.py b/my_lib/my_funcs.py
index f1742f4..3e1cdeb 100644
--- a/my_lib/my_funcs.py
+++ b/my_lib/my_funcs.py
@@ -1,3 +1,4 @@
+# Databricks notebook source
 def convertFtoC(unitCol, tempCol):
     from pyspark.sql.functions import when, col
     return when(col(unitCol) == "F", (col(tempCol) - 32) * (5/9)).otherwise(col(tempCol)).alias("temp_celcius")