diff --git a/bugsnag/event.py b/bugsnag/event.py
index a06cae3..1b18a9d 100644
--- a/bugsnag/event.py
+++ b/bugsnag/event.py
@@ -113,7 +113,7 @@ class Event:
 
         self.metadata = {}  # type: Dict[str, Dict[str, Any]]
         if 'meta_data' in options:
-            warnings.warn('The Event "metadata" argument has been replaced ' +
+            warnings.warn('The Event "meta_data" argument has been replaced ' +
                           'with "metadata"', DeprecationWarning)
             for name, tab in options.pop("meta_data").items():
                 self.add_tab(name, tab)
@@ -126,8 +126,8 @@ class Event:
 
     @property
     def meta_data(self) -> Dict[str, Dict[str, Any]]:
-        warnings.warn('The Event "metadata" property has been replaced ' +
-                      'with "meta_data".', DeprecationWarning)
+        warnings.warn('The Event "meta_data" property has been replaced ' +
+                      'with "metadata".', DeprecationWarning)
         return self.metadata
 
     @property

diff --git a/tests/test_event.py b/tests/test_event.py
index a5d91b3..7eda818 100644
--- a/tests/test_event.py
+++ b/tests/test_event.py
@@ -358,7 +358,7 @@ class TestEvent(unittest.TestCase):
 
             assert len(records) > 0
             i = len(records) - 1
-            assert str(records[i].message) == ('The Event "metadata" ' +
+            assert str(records[i].message) == ('The Event "meta_data" ' +
                                                'argument has been replaced ' +
                                                'with "metadata"')
             assert event.metadata['nuts']['almonds']
diff --git a/tests/test_notify.py b/tests/test_notify.py
index fc445b0..00c918e 100644
--- a/tests/test_notify.py
+++ b/tests/test_notify.py
@@ -843,7 +843,7 @@ class TestBugsnag(IntegrationTest):
                            meta_data={'fruit': {'apples': 2}})
 
             assert len(records) == 1
-            assert str(records[0].message) == ('The Event "metadata" ' +
+            assert str(records[0].message) == ('The Event "meta_data" ' +
                                                'argument has been replaced ' +
                                                'with "metadata"')
 

DeprecationWarning: The Event "metadata" argument has been replaced with "metadata" - Typo
<!-- Before raising, please check if somebody else has already reported your issue. -->

### Describe the bug
typo in Depercation warning

it should be `DeprecationWarning: The Event "meta_data" argument has been replaced with "metadata"`

### Steps to reproduce
![image](https://user-images.githubusercontent.com/7542220/173654706-7c45988e-5aed-49d0-b996-a0db0fc8fa8d.png)


### Environment
* Bugsnag version: 4.2.1
* Python version: 3.9.13
* Integration framework version:
    * ASGI: Daphne
    * Celery: 5.2
    * Django: 4.0


tests/test_event.py::TestEvent::test_meta_data_warning tests/test_notify.py::TestBugsnag::test_meta_data_warning
tests/test_event.py::TestEvent::test_a_source_function_can_be_provided tests/test_event.py::TestEvent::test_a_traceback_can_be_provided tests/test_event.py::TestEvent::test_adding_new_breadcrumbs_does_not_change_past_events tests/test_event.py::TestEvent::test_breadcrumb_array_is_always_in_payload tests/test_event.py::TestEvent::test_breadcrumbs_are_included_in_payload tests/test_event.py::TestEvent::test_breadcrumbs_are_read_from_configuration tests/test_event.py::TestEvent::test_code tests/test_event.py::TestEvent::test_code_at_end_of_file tests/test_event.py::TestEvent::test_code_at_start_of_file tests/test_event.py::TestEvent::test_code_turned_off tests/test_event.py::TestEvent::test_configured_app_type tests/test_event.py::TestEvent::test_default_app_type tests/test_event.py::TestEvent::test_default_request tests/test_event.py::TestEvent::test_device_data tests/test_event.py::TestEvent::test_mutating_breadcrumb_list_does_not_mutate_event tests/test_event.py::TestEvent::test_no_traceback_exclude_modules tests/test_event.py::TestEvent::test_original_exception_can_be_reassigned tests/test_event.py::TestEvent::test_sanitize tests/test_event.py::TestEvent::test_source_function_is_ignored_when_invalid tests/test_event.py::TestEvent::test_stacktrace_can_be_mutated tests/test_event.py::TestEvent::test_stacktrace_can_be_reassigned tests/test_event.py::TestEvent::test_traceback_exclude_modules tests/test_notify.py::TestBugsnag::test_asynchronous_notify tests/test_notify.py::TestBugsnag::test_auto_notify_defaults tests/test_notify.py::TestBugsnag::test_auto_notify_exc_info tests/test_notify.py::TestBugsnag::test_auto_notify_exc_info_overrides tests/test_notify.py::TestBugsnag::test_auto_notify_ignored_exc_info tests/test_notify.py::TestBugsnag::test_auto_notify_overrides tests/test_notify.py::TestBugsnag::test_external_middleware_can_change_severity tests/test_notify.py::TestBugsnag::test_external_middleware_cannot_change_severity_reason tests/test_notify.py::TestBugsnag::test_ignore_classes_checks_exception_chain_with_explicit_cause tests/test_notify.py::TestBugsnag::test_ignore_classes_checks_exception_chain_with_implicit_cause tests/test_notify.py::TestBugsnag::test_ignore_classes_has_no_exception_chain_with_no_cause tests/test_notify.py::TestBugsnag::test_internal_middleware_can_change_severity_reason tests/test_notify.py::TestBugsnag::test_internal_middleware_changes_severity tests/test_notify.py::TestBugsnag::test_middleware_stack_order tests/test_notify.py::TestBugsnag::test_middleware_stack_order_legacy tests/test_notify.py::TestBugsnag::test_notify_bad_encoding_exception_tuple tests/test_notify.py::TestBugsnag::test_notify_bad_encoding_metadata tests/test_notify.py::TestBugsnag::test_notify_before_notify_add_custom_data tests/test_notify.py::TestBugsnag::test_notify_before_notify_modifying_api_key tests/test_notify.py::TestBugsnag::test_notify_before_notify_modifying_metadata tests/test_notify.py::TestBugsnag::test_notify_before_notify_remove_api_key tests/test_notify.py::TestBugsnag::test_notify_callback_app_type tests/test_notify.py::TestBugsnag::test_notify_configured_api_key tests/test_notify.py::TestBugsnag::test_notify_configured_app_type tests/test_notify.py::TestBugsnag::test_notify_configured_app_version tests/test_notify.py::TestBugsnag::test_notify_configured_hostname tests/test_notify.py::TestBugsnag::test_notify_configured_invalid_api_key tests/test_notify.py::TestBugsnag::test_notify_configured_lib_root tests/test_notify.py::TestBugsnag::test_notify_configured_metadata_sections tests/test_notify.py::TestBugsnag::test_notify_configured_project_root tests/test_notify.py::TestBugsnag::test_notify_configured_release_stage tests/test_notify.py::TestBugsnag::test_notify_custom_app_type tests/test_notify.py::TestBugsnag::test_notify_default_severity tests/test_notify.py::TestBugsnag::test_notify_device_filter tests/test_notify.py::TestBugsnag::test_notify_error_class tests/test_notify.py::TestBugsnag::test_notify_error_message tests/test_notify.py::TestBugsnag::test_notify_exception_tuple tests/test_notify.py::TestBugsnag::test_notify_exception_tuple_with_traceback tests/test_notify.py::TestBugsnag::test_notify_exception_with_traceback_option tests/test_notify.py::TestBugsnag::test_notify_ignore_class tests/test_notify.py::TestBugsnag::test_notify_invalid_severity tests/test_notify.py::TestBugsnag::test_notify_invalid_values_tuple tests/test_notify.py::TestBugsnag::test_notify_metadata_bool_value tests/test_notify.py::TestBugsnag::test_notify_metadata_complex_value tests/test_notify.py::TestBugsnag::test_notify_metadata_filter tests/test_notify.py::TestBugsnag::test_notify_metadata_integer_value tests/test_notify.py::TestBugsnag::test_notify_metadata_set_value tests/test_notify.py::TestBugsnag::test_notify_metadata_tuple_value tests/test_notify.py::TestBugsnag::test_notify_method tests/test_notify.py::TestBugsnag::test_notify_non_exception tests/test_notify.py::TestBugsnag::test_notify_override_api_key tests/test_notify.py::TestBugsnag::test_notify_override_context tests/test_notify.py::TestBugsnag::test_notify_override_deprecated_user_id tests/test_notify.py::TestBugsnag::test_notify_override_grouping_hash tests/test_notify.py::TestBugsnag::test_notify_override_metadata_sections tests/test_notify.py::TestBugsnag::test_notify_override_severity tests/test_notify.py::TestBugsnag::test_notify_override_user tests/test_notify.py::TestBugsnag::test_notify_payload_matching_filter tests/test_notify.py::TestBugsnag::test_notify_payload_version tests/test_notify.py::TestBugsnag::test_notify_proxy tests/test_notify.py::TestBugsnag::test_notify_recursive_metadata_array tests/test_notify.py::TestBugsnag::test_notify_recursive_metadata_dict tests/test_notify.py::TestBugsnag::test_notify_request_count tests/test_notify.py::TestBugsnag::test_notify_sends_when_before_notify_throws tests/test_notify.py::TestBugsnag::test_notify_severity_overridden tests/test_notify.py::TestBugsnag::test_notify_single_value_tuple tests/test_notify.py::TestBugsnag::test_notify_stacktrace tests/test_notify.py::TestBugsnag::test_notify_unconfigured_release_stage tests/test_notify.py::TestBugsnag::test_notify_unhandled_defaults tests/test_notify.py::TestBugsnag::test_notify_unhandled_severity_callback tests/test_notify.py::TestBugsnag::test_notify_unicode_metadata tests/test_notify.py::TestBugsnag::test_notify_user_filter tests/test_notify.py::TestBugsnag::test_synchronous_individual_notify