Fix typo in docker file

Dockerfile

@@ -41,5 +41,5 @@ EXPOSE 7860
 
 # Define the command to start the application
 #   - `uv run` ensures that the virtual environment is activated and dependencies are up to date
-#   - `python -m src.app` runs the main application module
+#   - `python -m src.main` runs the main application module
 CMD ["uv", "run", "python", "-m", "src.main"]