Typo in link to create long-answer questions

I created a blank quiz. When I saved it, I got the following message:
"No questions were found. Please assign questions before trying to take this Quiz."
The 'assign questions' link went to [nid]/questions.
On that page, I had the option to add a long answer or multi-choice question. Those links took me to:
node/add/long_answer/[nid] and
node/add/multichoice/[nid]

It looks like there's a typo in the link for 'long answer' questions - on node/add the actual link is node/add/long-answer with a hyphen instead of an underscore.