instructions are .... add the courtesy link enter text edit mode (right-click > edit .... part of the paragraph that will be used as a link, click the Plus button on the Link control and enter (paste http://cup.cm/1UnGcoV) the link in the URL box. Question When I click on the + nothing seems to happen. I am unable to enter in the address in the Link Box "URL" is greyed out.

Adding Hyperlink To Text With Responsive Site Designer
https://www.youtube.com/watch?v=fhukBFCni5Q