django modelform field replace standard error message in all fields

Question

Django

The task is this: django returns "Required field." if the field is required and not filled. How to make it so that in all forms it is acceptable instead of "Required field." was "this field must be filled"?

Answer 1

first thought...)
{% if form.field.error='Required field' %}this field must be filled in{% endif %}

Answer 2

email = forms.EmailField(label='Email', required=False, error_messages={'required': 'This field must be filled in.'})