DataFrame not callable

In the machine learning model in python skill
for the linear regression ‘Titanic Project’
Question 2
https://www.codecademy.com/paths/machine-learning/tracks/introduction-to-supervised-learning-skill-path/modules/logistic-regression-skill-path/projects/logistic-regression-titanic

The hint is misleading. If the parenthesis is left there then it leads to a “Data Frame not callable” error

data_frame**([‘column’])**.map({‘initial_value_1’:‘updated_value_1’,‘initial_value_2’:‘updated_value_2’})

it should be
data_frame[‘column’].map({’…

I figured it out but I am posting here to help others!