diff --git a/episodes/04-transforming-data.md b/episodes/04-transforming-data.md
index e577bbde..c720540c 100644
--- a/episodes/04-transforming-data.md
+++ b/episodes/04-transforming-data.md
@@ -110,10 +110,12 @@ Try to change the name of the `scientificName 2` column to `species`. What probl
 
 Edit the name of the `species` column to `species_abbreviation`. Then, rename `scientificName 2` to `species`.
 
-:::::::::::::::::::::::::::::::::::::::  challenge
-
 ## Practice splitting columns
 
+Let's try splitting a column on a different character.
+
+:::::::::::::::::::::::::::::::::::::::  challenge
+
 ## Exercise
 
 Look at the data in the column `coordinates` and split these values to obtain latitude and longitude. Make sure that the option for `Guess cell type` is checked and that `Remove this column` is not. Rename the new columns.