Grav is not able to embed links to files in sub folders in raw html

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I am in a page directory and want to embed a link inside the .md file.
I have to use raw html inside the markdown. Now I want to add a simple link to a file inside the directory.
e.g.:

02.Download
     myfile.zip

now I add the link like this:
link
however the link appears in my browser like this:

www.mySite.com/myFile.zip instead of www.mySite.com/download/myFile.zip

So I need a way to add the relative path from the root to the file to the link inside the raw html?
Any idea how to do this?