Update 04-transforming-data.md

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
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 ## 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.