diff --git a/python_template_server/db/__init__.py b/python_template_server/db/__init__.py
index 275b2e5..1646711 100644
--- a/python_template_server/db/__init__.py
+++ b/python_template_server/db/__init__.py
@@ -1 +1,7 @@
 """Database manager classes for servers using this template."""
+
+from .base_database_manager import BaseDatabaseManager
+
+__all__ = [
+    "BaseDatabaseManager",
+]
diff --git a/python_template_server/db/base_database_manager.py b/python_template_server/db/base_database_manager.py
index a390115..4d3b59c 100644
--- a/python_template_server/db/base_database_manager.py
+++ b/python_template_server/db/base_database_manager.py
@@ -11,7 +11,10 @@
 
 
 class BaseDatabaseManager(ABC):
-    """Manager class for database operations."""
+    """Manager class for database operations.
+
+    Subclasses must implement the `db_url` property to provide the correct database URL.
+    """
 
     def __init__(self, db_config: DatabaseConfig) -> None:
         """Initialize the database manager."""
@@ -25,4 +28,4 @@ def __init__(self, db_config: DatabaseConfig) -> None:
     @property
     @abstractmethod
     def db_url(self) -> str:
-        """Get the database URL."""
+        """Get the database URL using the `DatabaseConfig.db_url()` method."""
diff --git a/tests/db/test_base_database_manager.py b/tests/db/test_base_database_manager.py
index f678062..a5de736 100644
--- a/tests/db/test_base_database_manager.py
+++ b/tests/db/test_base_database_manager.py
@@ -5,7 +5,7 @@
 import pytest
 from sqlalchemy import Engine
 
-from python_template_server.db.base_database_manager import BaseDatabaseManager
+from python_template_server.db import BaseDatabaseManager
 from python_template_server.models import DatabaseConfig
 
 MOCK_DB_FILENAME = "test.db"