setup.md: fix link to the Introduction to Jupyter notebooks page

Signed-off-by: Maxim Belkin <[email protected]>

Author: maxim-belkin

setup.md

@@ -109,4 +109,4 @@ The notebook should open automatically in your browser. If it does not or you
 wish to use a different browser, open this link: <http://localhost:8888>.
 
 For a bried introduction to Jupyter Notebooks, please consult with our
-[Introduction to Jupyter Notebooks](/jupyter_notebooks/) page.
+[Introduction to Jupyter Notebooks](jupyter_notebooks) page.