diff --git a/README.md b/README.md
index b867626..773685c 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ Extract audio from `.pck` and `.hdiff` to `.mp3` or `.ogg` including original fi
 2. Install dependencies -> `pip install -r requirements.txt`
 3. Place all of your `.pck` files in the *audio* folder and `.pck.hdiff` in the *patch* folder
 > ⚠️ If you want to extract an hdiff content, you must place the pck file with the *same name before patch* in the *audio* folder, pck's that do not have a corresponding hdiff file will be extracted normally, when they do have a corresponding hdiff file, *only the hdiff file content is extracted* and not the full pck
-4. Start the program -> `python extract.py`. Use the `--ogg` argument to extract in `.ogg` format instead of `.mp3`
+4. Start the program -> `python extract.py`. Pass in `--format [args]` to change the audio output format, default is `mp3`, other possible value is `ogg`.
 5. After finishing, everything will be in the *output* folder in your chosen format
 
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