Adding menu -external link to navbar OJS

Our journal does have the basic site in WP and I want to create menu in navbar that is actually link to our basic site i.e
How to make external link menu in navbar?

I created menu in primaryNavMenu.tpl
with code <li> <a href="http://mytargetdomain"> {translate key="navigation.backtojournalsite"} </a> </li>
and created message key in /locale/locale.xml
with words to appear in menu.
maybe this will help someone.