# Frequently Asked Questions

## Related to Discord

### Can I change Bolt's username, avatar or playing status?

No. Discord does not allow per-server avatars. If you want to change its username, set a nickname instead.

## Related to Bolt

### Bolt doesn't reply to commands. How do I fix that?

Well, there are a few reasons Bolt can't reply to you. We'll explain the most common ones.

* Check Bolt permissions. Does it has permissions to read messages, send messages and embed links?
* Is that even a command?
* Is Bolt [under maintenance](https://boltcord.gitbook.io/bolt/other/status-page)?
* Is this the right prefix?

### What programming languages do we use?

The bot uses [JavaScript](https://discord.js.org/).

### Can I change Bolt prefix?

Sure! Check [this page](https://boltcord.gitbook.io/bolt/setup-bolt#prefix).

### Is Bolt open-source?

No. We have no plans to open source the bot. Check the modmail [here](https://github.com/Cyanic76/discord-modmail).

### How do I delete my data?

You sure can delete your data. There's no personal data stored, though. Check [this Terms paragraph](https://boltcord.gitbook.io/bolt/privacy-terms-of-use#data-removal).