Fix typo in docs
Fix typo in docs

Also added one missing comma for readability
pallets/flask,pallets/flask,fkazimierczak/flask,drewja/flask,auready/flask,fkazimierczak/flask,drewja/flask,mitsuhiko/flask,tristanfisher/flask,fkazimierczak/flask,mitsuhiko/flask,tristanfisher/flask,dawran6/flask,auready/flask,drewja/flask,dawran6/flask,pallets/flask