Asset links not updating on asset URL change?

Maintaining link integrity when URLs change is one of the most basic features of a CMS so I'm assuming WCS does it. However, when I'm testing in avisports, I'm having issues with it doing this. Have I missed something in the setup?

What I've done:

• Install w/ avisports example.
• Enable embeddedlinks in article body CKEditor.
• Create article 1 (/avi/article/article_1.html).
• Create article 2 (/avi/article/article_2.html).
• Use 'add asset link' inside article 1's body to link it to article 2.
• View article 1 on the 'public' side - link correctly points to /avi/article/article_2.html.
• Change name and heading of article 2 to article 3 and save. Look at URL tab of form view, auto-generated URL has been updated to /avi/article/article_3.html (as expected).