diff --git a/tile_grid.py b/tile_grid.py
index 72a0f43..e9f54fd 100644
--- a/tile_grid.py
+++ b/tile_grid.py
@@ -10,7 +10,10 @@ from tile import fly
 def draw_tile_grid(width, height, tile_size, tile_function):
     """Draws a (width x height) grid, with tile_function drawn on each tile.
 
-    (Your explanation here.)
+    After the user inputs the width, draw tiles to the right x times
+    After the user inputs the height, draw tiles vertically y times
+    After the user inputs the tile size, side length of tiles is tile_size
+    Tile_function makes the turtle draw a specified pattern
     """
     for y in range(height):
         for x in range(width):