You may want to ask this in her Facebook page. She will be notified there that you asked. Here, you might wait some time before she sees this post as there is no notification here in the forum. You could send her a PM here (using the Inbox) and she will be notified when she next logs in here.
Spendlove is the mod aka Sue. She may not be on until later, as she is in the UK I think. If you can't wait for Spendlove, IMHO, I think a 1/4 inch, no more than 3/8 inch seam allowance is sufficient.