> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://aide.merci-app.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# What do the different alert colors mean?

![](https://storage.crisp.chat/users/helpdesk/website/7efc1bf448a2e000/image_1al99sv.png)

MerciApp uses different colors to indicate alerts, each with a specific meaning.

| Color | Type |
| ---- |
| Red | Grammar |
| Blue | Spelling |
| Yellow | Context |
| Green | Typography |
| Purple | Style (only available with [MerciApp Assist](/en/article/upgrade-to-a-merciapp-correct-or-merciapp-assist-subscription-eof9ut/)) |