diff --git a/django/contrib/auth/management/commands/createsuperuser.py b/django/contrib/auth/management/commands/createsuperuser.py
index 9ab55268528..bcccebe4c30 100644
--- a/django/contrib/auth/management/commands/createsuperuser.py
+++ b/django/contrib/auth/management/commands/createsuperuser.py
@@ -85,7 +85,7 @@ class Command(BaseCommand):
                     if not username:
                         input_msg = 'Username'
                         if default_username:
-                            input_msg += ' (Leave blank to use %r)' % default_username
+                            input_msg += ' (leave blank to use %r)' % default_username
                         username = raw_input(input_msg + ': ')
                     if default_username and username == '':
                         username = default_username