diff --git a/Exercise sheet 6/exercise_sheet_06.ipynb b/Exercise sheet 6/exercise_sheet_06.ipynb
index cbc1215..4b9d3c8 100644
--- a/Exercise sheet 6/exercise_sheet_06.ipynb	
+++ b/Exercise sheet 6/exercise_sheet_06.ipynb	
@@ -26,7 +26,7 @@
    "outputs": [],
    "source": [
     "NAME = \"Kees van Kempen\"\n",
-    "NAMES_OF_COLLABORATORS = \"Bart Steeman\""
+    "NAMES_OF_COLLABORATORS = \"Bart Steeman\" # We did not finish it together."
    ]
   },
   {