diff --git a/invenio_config_tuw/formatters.py b/invenio_config_tuw/logs.py
similarity index 93%
rename from invenio_config_tuw/formatters.py
rename to invenio_config_tuw/logs.py
index c61d97f345ad013316606f2be3bba05337fb9ce5..b0b1340ecfa8d7d51098254427024a6121042200 100644
--- a/invenio_config_tuw/formatters.py
+++ b/invenio_config_tuw/logs.py
@@ -28,7 +28,7 @@ Message:
 """
 
 
-class CustomFormatter(Formatter):
+class DetailedFormatter(Formatter):
     """Custom logging formatter that provides more details."""
 
     def __init__(self, fmt=custom_format, **kwargs):
@@ -50,4 +50,4 @@ class CustomFormatter(Formatter):
             record.user_id = None
             record.request_url = None
 
-        return super(CustomFormatter, self).format(record)
+        return super().format(record)
diff --git a/invenio_config_tuw/startup.py b/invenio_config_tuw/startup.py
index d8ed7b33473ca90dd7307e3d66f03819c57a4555..0ff1773286b3f3c7d436a15c7b307e7e60b0ec04 100644
--- a/invenio_config_tuw/startup.py
+++ b/invenio_config_tuw/startup.py
@@ -18,7 +18,7 @@ from logging.handlers import SMTPHandler
 
 from invenio_rdm_records.services.search_params import MyDraftsParam
 
-from .formatters import CustomFormatter
+from .logs import DetailedFormatter
 
 
 def register_smtp_error_handler(app):
@@ -68,7 +68,7 @@ def register_smtp_error_handler(app):
         )
         mail_handler.name = handler_name
         mail_handler.setLevel(ERROR)
-        mail_handler.setFormatter(CustomFormatter())
+        mail_handler.setFormatter(DetailedFormatter())
 
         # attach to the application
         app.logger.addHandler(mail_handler)