diff --git a/doc/COMPRESS_IMG.md b/doc/COMPRESS_IMG.md
index e06ec38..ddcb0d7 100644
--- a/doc/COMPRESS_IMG.md
+++ b/doc/COMPRESS_IMG.md
@@ -18,7 +18,7 @@ If you are hoping to use massive training files in the future as tech advances,
 
 ## Usage
 
-    usage: compress_img_2.py [-h] [--img_dir IMG_DIR] [--out_dir OUT_DIR]
+    usage: compress_img.py [-h] [--img_dir IMG_DIR] [--out_dir OUT_DIR]
                             [--max_mp MAX_MP] [--quality QUALITY] [--overwrite]
                             [--noresize] [--delete]