fixed incorrect game_res type in documentation

pocket_friends/elements/surface.py

@@ -20,7 +20,7 @@ class GameSurface(pygame.Surface):
         additional_args: Dictionary of additional arguments to send to the next surface after halting.
         background: A Pygame surface that will be drawn behind all other elements.
     """
-    def __init__(self, game_res: int, resources_dir: str, game_fps: int):
+    def __init__(self, game_res: tuple, resources_dir: str, game_fps: int):
         """
         Create a GameSurface object.
         Args:

pocket_friends/surfaces/title.py

@@ -7,7 +7,7 @@ class Surface(surface.GameSurface):
     """
     Surface object for the title screen.
     """
-    def __init__(self, game_res, resources_dir, game_fps):
+    def __init__(self, game_res: tuple, resources_dir: str, game_fps: int):
         """
         Create a title screen surface object
         Args: