from django import forms
from .models import YourModel

class YourModelForm(forms.ModelForm):
    class Meta:
        model = YourModel
        fields = ['categories',  # other fields in your model]

    def __init__(self, *args, **kwargs):
        super(YourModelForm, self).__init__(*args, **kwargs)
        # Iterate over categories and set help_text from the description field
        for field_name, field in self.fields.items():
            if field_name == 'categories':
                field.help_text = ""
                for category in field.queryset:
                    field.help_text += f"{category.name}: {category.description}<br>"
                field.help_text = mark_safe(field.help_text)