Fixes typo in groups property. Fixes #443.
Fixes typo in groups property. Fixes #443.

pepyatka/pepyatka-html,dsumin/freefeed-html,davidmz/pepyatka-html,SiTLar/pepyatka-html,SiTLar/pepyatka-html,pepyatka/pepyatka-html,epicmonkey/pepyatka-html,dsumin/freefeed-html,epicmonkey/pepyatka-html,FreeFeed/freefeed-html,davidmz/pepyatka-html,FreeFeed/freefeed-html