Update app.py

app.py

@@ -26,7 +26,7 @@ This tool lets you check if a repository under a given username is part of the C
 opt_out_text_template = """\
 ### Opt-out
 
-If you want your data to be removed from the stack and model training \
+If you want your data to be removed from the CommitPack and model training \
 open an issue with <a href="https://github.com/bigcode-project/opt-out-v2/issues/new?title={title}&body={body}" target="_blank">this link</a> \
 (if the link doesn't work try right a right click and open it in a new tab) or visit [https://github.com/bigcode-project/opt-out-v2/issues/new?&template=opt-out-request.md](https://github.com/bigcode-project/opt-out-v2/issues/new?&template=opt-out-request.md) .\
 """