> For the complete documentation index, see [llms.txt](https://docs.finngen.fi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.finngen.fi/faq/about-finngen-data/i-think-i-found-a-mistake-in-the-longitudinal-data.md).

# What to do if I think I found a mistake in the data?

Send an email to <finngen-helpedsk@helsinki.fi> or Slack us and we'll get back to you as soon as possible to confirm. Please remember not to include any individual level data in your message. More specifics on FinnGen data can be found[ ](/finngen-data-specifics.md)in the section[ ](/finngen-data-specifics.md)on [Finnish data specifics](/finngen-data-specifics.md).