Thanks for following up Claudia…
Just browsed the site but the text seems to be alright:

This seems to be a ‘rendering issue’ caused by your particular setup (browser, zoom, screen resolution, etc) and the type used. To verify you can open the page in a different browser or seeing it from another computer / device. This is fairly common, I wouldn’t worry too much about it. What you can do to make sure it displays correctly in all setups, is to user a thinner type or style for that text.
Hope this helps,
Best,
Nico