That works as a one-way link, and is great if you want to mention more than one person in the text of the question.
There is another way that works as a two-way link, so that anyone who visits a profile can see G2G discussions about that profile or that person.
"Connecting to a profile is done with the WikiTree ID. Including it means the question will be linked from the profile and appear in activity feeds for those watching it."
There is a field at the bottom of questions for the Wiki ID. This is just the surname-number, such as mine Smith-123128. The system does the rest.