How to correct a link in your Menu:
Log into the back end.
Go to Menu >> Main Menu >>
You will find all your main menu items within this list.
Click on the Title of Menu Item you want to change.
A Menu Item [edit] page opens up
On the Right hand side:
Under Parameters( basic)
Click Select button
A new window opens up:
Scroll down to choose the correct article from the list. Once you select an article the window will close and
You will see the the new corrected article inside the the Select Article
Save your changes