diff --git a/notebook-task-filter.py b/notebook-task-filter.py
index 80f30a617bcda33732575cd636153422382696e5..6fc555e0b8127ed4e145ba06706ee24993745dc4 100755
--- a/notebook-task-filter.py
+++ b/notebook-task-filter.py
@@ -9,7 +9,7 @@ import argparse
 
 def parse(inputfile, keep, remove, basekey):
     """
-    Take inputfile, parse the JSON, clone two versions, delete the dictionary items which are from the wrong path (i.e. no exercise: task in the solution Notebook) and safe with respective suffixes.
+    From inputfile, parse the JSON and remove those cells which have values of the basekey, which are in the list of tags to remove but not in the list of tags to remove.
     """
     notebook = json.load(inputfile)