Fix doc/desc of markers

Author: blueyed

pytest_django/plugin.py

@@ -175,13 +175,13 @@ def pytest_load_initial_conftests(early_config, parser, args):
     early_config.addinivalue_line(
         'markers',
         'django_db(transaction=False): Mark the test as using '
-        'the django test database.  The *transaction* argument marks will '
-        "allow you to use real transactions in the test like Django's "
+        'the Django test database.  The *transaction* argument '
+        "allows you to use real transactions in the test like with Django's "
         'TransactionTestCase.')
     early_config.addinivalue_line(
         'markers',
         'urls(modstr): Use a different URLconf for this test, similar to '
-        'the `urls` attribute of Django `TestCase` objects.  *modstr* is '
+        "the `urls` attribute of Django's `TestCase` objects.  *modstr* is "
         'a string specifying the module of a URL config, e.g. '
         '"my_app.test_urls".')