Add text above monthly default calendar

I have a page with an events calendar using the default eventon template and the slug /events it looks like this: https://photos.app.goo.gl/Qm4f8CnQWxF1kFre6

Notice the arrow, I want to be able to add some text at the top. How do I do that?

The page I need help with: [log in to see the link]