Comment 9 for bug 138928

I revised the field descriptions. I kept the caption because I think
they add value to the form. I have created a new widget that
normalises the space and strips punctuation from the keyword
terms. Attached is a screenshot of the page. This change is also
visible on the create-a-new-faq-for-an-existing-question form.

It would be nice if Zope provided a normalise hook for the field
for us to clean data before it is validated. The widget I created
may not be useful anywhere else in Launchpad.