diff --git a/spcd/__init__.py b/spcd/__init__.py
index 5028389..4cf789e 100644
--- a/spcd/__init__.py
+++ b/spcd/__init__.py
@@ -87,6 +87,7 @@ def list_environment_variables() -> None:
 
 
 def main(main: str) -> None:
+    """Entry point to initialize environment or run a specific command."""
     paths = environ["PATH"].split(pathsep)
     if env.SPCD_PYTHON_VENV_BINARIES not in paths:
         environ["PATH"] = pathsep.join([env.SPCD_PYTHON_VENV_BINARIES, *paths])