http://bugs.dwscoalition.org/show_bug.cgi?id=4565
Made sure the text string renders when you enter too many keywords, instead of the raw Perl error.
Also fixed a typo in the text string.
Merge pull request #373 from lucymclaughlin/4565-better-keyword-error

http://bugs.dwscoalition.org/show_bug.cgi?id=4565