Do not capfirst form field labels in Python, but use CSS

django/contrib/admin/helpers.py

@@ -182,7 +182,7 @@ def label_tag(self):
         label = self.field['label']
         return format_html('<label{}>{}:</label>',
                            flatatt(attrs),
-                           capfirst(force_text(label)))
+                           force_text(label))
 
     def contents(self):
         from django.contrib.admin.templatetags.admin_list import _boolean_icon

django/contrib/admin/static/admin/css/forms.css

@@ -34,6 +34,10 @@ label {
     font-size: 13px;
 }
 
+label::first-letter {
+   text-transform: capitalize;
+}
+
 .required label, label.required {
     font-weight: bold;
     color: #333;

django/contrib/auth/forms.py

@@ -17,7 +17,6 @@
 from django.utils.html import format_html, format_html_join
 from django.utils.http import urlsafe_base64_encode
 from django.utils.safestring import mark_safe
-from django.utils.text import capfirst
 from django.utils.translation import ugettext, ugettext_lazy as _
 
 
@@ -155,7 +154,7 @@ def __init__(self, request=None, *args, **kwargs):
         UserModel = get_user_model()
         self.username_field = UserModel._meta.get_field(UserModel.USERNAME_FIELD)
         if self.fields['username'].label is None:
-            self.fields['username'].label = capfirst(self.username_field.verbose_name)
+            self.fields['username'].label = self.username_field.verbose_name
 
     def clean(self):
         username = self.cleaned_data.get('username')

django/db/models/fields/__init__.py

@@ -36,7 +36,6 @@
 from django.utils.functional import Promise, cached_property, curry
 from django.utils.ipv6 import clean_ipv6_address
 from django.utils.itercompat import is_iterable
-from django.utils.text import capfirst
 from django.utils.translation import ugettext_lazy as _
 
 # Avoid "TypeError: Item in ``from list'' not a string" -- unicode_literals
@@ -877,7 +876,7 @@ def formfield(self, form_class=None, choices_form_class=None, **kwargs):
         Returns a django.forms.Field instance for this database Field.
         """
         defaults = {'required': not self.blank,
-                    'label': capfirst(self.verbose_name),
+                    'label': self.verbose_name,
                     'help_text': self.help_text}
         if self.has_default():
             if callable(self.default):
@@ -2087,7 +2086,7 @@ def formfield(self, **kwargs):
         defaults = {
             'form_class': forms.NullBooleanField,
             'required': not self.blank,
-            'label': capfirst(self.verbose_name),
+            'label': self.verbose_name,
             'help_text': self.help_text}
         defaults.update(kwargs)
         return super(NullBooleanField, self).formfield(**defaults)

django/forms/models.py

@@ -20,7 +20,7 @@
 )
 from django.utils import six
 from django.utils.encoding import force_text, smart_text
-from django.utils.text import capfirst, get_text_list
+from django.utils.text import get_text_list
 from django.utils.translation import ugettext, ugettext_lazy as _
 
 __all__ = (
@@ -926,7 +926,7 @@ def add_fields(self, form, index):
             # Model field to get the label, since we need that for error messages.
             name = self.fk.name
             kwargs = {
-                'label': getattr(form.fields.get(name), 'label', capfirst(self.fk.verbose_name))
+                'label': getattr(form.fields.get(name), 'label', self.fk.verbose_name)
             }
             if self.fk.remote_field.field_name != self.fk.remote_field.model._meta.pk.name:
                 kwargs['to_field'] = self.fk.remote_field.field_name