Click the Orange ADJUST KEYWORDS Button to reach the KEyword editing widget.
Step 1: For each of your categories, decide whether you wish to advertise or not by selecting the "ADVERTISE" Switch.
Step 2: Your category name is used to produce Keywords in the Ads copy. Think about what text you want people searching for your products to see when searching on Google. Review the Give your categories a display name that’s best to describe their content. For example, if you are selling women’s T-shirts, use “Women’s T-Shirts” rather than just “T-Shirts”.
Add category meaningfully category names (you may use more than one, but try to limit to one or two) and click the DONE button.
Step 3: Expand the Keywords link to see which KEywords were selected by the system and add additional keywords that you think may attract visitors to your website.