diff --git a/manage.py b/manage.py
index efca3a70..2e783945 100644
--- a/manage.py
+++ b/manage.py
@@ -3,32 +3,34 @@
 from flask_migrate import Migrate, MigrateCommand
 from flask_script import Manager
 from eeazycrm.config import DevelopmentConfig, TestConfig, ProductionConfig
-
 import os
 
+# Initialize the Flask application
 app = Flask(__name__, instance_relative_config=True)
 
-config_class = ProductionConfig()
+# Determine the configuration class based on the environment variable
+config_class = ProductionConfig()  # Default to ProductionConfig
 if os.getenv('FLASK_ENV') == 'development':
     config_class = DevelopmentConfig()
-elif os.getenv('FLASK_ENV') == 'production':
-    config_class = ProductionConfig()
 elif os.getenv('FLASK_ENV') == 'testing':
     config_class = TestConfig()
 
+# Load the configuration into the app
 app.config.from_object(config_class)
 
+# Initialize extensions
 db = SQLAlchemy(app)
 migrate = Migrate(app, db)
 
+# Set up the command manager
 manager = Manager(app)
 manager.add_command('db', MigrateCommand)
 
-
-class TestUser(db.Model):
+# Define a sample model
+class TestUser (db.Model):
     id = db.Column(db.Integer, primary_key=True)
     name = db.Column(db.String(128))
 
-
+# Run the application
 if __name__ == '__main__':
     manager.run()