diff --git a/etl/surveyPrice/surveyPrice.py b/etl/surveyPrice/surveyPrice.py
index 3807c34..885d2d7 100644
--- a/etl/surveyPrice/surveyPrice.py
+++ b/etl/surveyPrice/surveyPrice.py
@@ -10,3 +10,6 @@ class surveyPrice():
 # Step one
 # Make a copy of the rate card and work out each price matrix
 # Make the price card downloadable as a single excelt sheet for viewing
+# For other things, do some TDD so it is a little robust
+# The script can run weekly, for development I can just get one data
+# Expected input, expect output etc