The Navigation Label – this field specifies the title of the item on your custom menu. This is what your visitors will see when they visit your site/blog.
The Title Attribute – this field specifies the Alternative (‘Alt’) text for the menu item. This text will be displayed when a user’s mouse hovers over a menu item.
Click on the arrow in the top right-hand corner of the menu item to expand it.
Enter the values for the Navigation Label and Title Attribute that you want to assign to the item.
Click the Save Menu button to save your changes.