diff --git a/roguebasin/__init__.py b/roguebasin/__init__.py
index 666a09c..12ba5c3 100644
--- a/roguebasin/__init__.py
+++ b/roguebasin/__init__.py
@@ -1,2 +1 @@
-#!/usr/bin/env python3
 # Eryn Wells <eryn@erynwells.me>
diff --git a/roguebasin/__main__.py b/roguebasin/__main__.py
index e745f9b..eeb6912 100644
--- a/roguebasin/__main__.py
+++ b/roguebasin/__main__.py
@@ -78,7 +78,10 @@ def main(argv):
                 engine.handle_event(event)
 
 def run_until_exit():
-    '''Run the package's main() and call sys.exit when it finishes.'''
+    '''
+    Run main() and call sys.exit when it finishes. In practice, this function will never return. The game engine has
+    other mechanisms for exiting.
+    '''
     result = main(sys.argv)
     sys.exit(0 if not result else result)
 
diff --git a/roguebasin/events.py b/roguebasin/events.py
index 1cd5077..49ecc1f 100644
--- a/roguebasin/events.py
+++ b/roguebasin/events.py
@@ -1,6 +1,7 @@
-#!/usr/bin/env python3
 # Eryn Wells <eryn@erynwells.me>
 
+'''Defines event handling mechanisms.'''
+
 from typing import Optional
 
 import tcod
@@ -9,6 +10,8 @@ from .actions import Action, ExitAction, RegenerateRoomsAction, BumpAction
 from .geometry import Direction
 
 class EventHandler(tcod.event.EventDispatch[Action]):
+    '''Handler of `tcod` events'''
+
     def ev_quit(self, event: tcod.event.Quit) -> Optional[Action]:
         return ExitAction()