diff --git a/requirements.txt b/requirements.txt
index b26e81f..ee67824 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,6 @@
 numpy
 
+# Optional Dependencies
+# For Windows users needing ncurses support:
+# windows-curses; sys_platform == 'win32'
+
diff --git a/tetris.py b/tetris.py
index 4f4bb23..6429fc0 100644
--- a/tetris.py
+++ b/tetris.py
@@ -111,7 +111,7 @@ def main(stdscr):
 
         # Handle key inputs
         key = stdscr.getch()
-        if key == ord("q"):
+        if key == ord("Q"):
             break
         elif (
             key == ord("a")
@@ -143,7 +143,7 @@ def main(stdscr):
             board = clear_rows(board)
             current_piece = PIECES[np.random.choice(piece_types)]
             i, j = START_POS
-        elif key == ord("g"):
+        elif key == ord("G"):
             auto_gravity = not auto_gravity
 
         # Gravity effect