diff --git a/README.md b/README.md
index c761b41..cf0957b 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,6 @@
 [![Docs](https://docs.rs/ddnet-map-diff/badge.svg)](https://docs.rs/ddnet-map-diff)
 [![crev reviews](https://web.crev.dev/rust-reviews/badge/crev_count/ddnet-map-diff.svg)](https://web.crev.dev/rust-reviews/crate/ddnet-map-diff/)
 
-A map diff made in Rust using [twmap](https://docs.rs/twmap).
+A DDNet map diff tool made in Rust using [twmap](https://docs.rs/twmap).
 
-Inspired by Ravie's python script.
+Inspired by the original Ravie's python script.
diff --git a/a.py b/a.py
deleted file mode 100644
index 85a97fe..0000000
--- a/a.py
+++ /dev/null
@@ -1,53 +0,0 @@
-# MIT License
-# Copyright Ravie 2023
-
-import twmap
-import sys
-
-map_old = twmap.Map(sys.argv[1])
-map_new = twmap.Map(sys.argv[2])
-
-tiles_old = map_old.game_layer().tiles
-tiles_new = map_new.game_layer().tiles
-
-shape_old = tiles_old.shape
-shape_new = tiles_new.shape
-
-w = min(shape_old[1], shape_new[1])
-h = min(shape_old[0], shape_new[0])
-
-diff_group = map_new.groups.py_new()
-diff_group.name = 'Difference'
-
-layer_add = diff_group.layers.new_tiles(w, h)
-layer_add.color = (0, 255, 0, 64)
-layer_add.name = 'Added'
-tiles_add = layer_add.tiles
-
-layer_del = diff_group.layers.new_tiles(w, h)
-layer_del.color = (255, 0, 0, 64)
-layer_del.name = 'Deleted'
-tiles_del = layer_del.tiles
-
-layer_mod = diff_group.layers.new_tiles(w, h)
-layer_mod.color = (255, 255, 0, 64)
-layer_mod.name = 'Modified'
-tiles_mod = layer_mod.tiles
-
-for x in range(w):
-    for y in range(h):
-        index_old = tiles_old[y, x, 0]
-        index_new = tiles_new[y, x, 0]
-
-        if index_old == 0 and index_new != 0:
-            tiles_add[y, x, 0] = True
-        elif index_old != 0 and index_new == 0:
-            tiles_del[y, x, 0] = True
-        elif index_old != index_new:
-            tiles_mod[y, x, 0] = True
-
-layer_add.tiles = tiles_add
-layer_del.tiles = tiles_del
-layer_mod.tiles = tiles_mod
-
-map_new.save('difference.map')