Fix typo in gemspec homepage URL
Fix typo in gemspec homepage URL

YorickPeterse/oga,ttasanen/oga,YorickPeterse/oga,ttasanen/oga,ttasanen/oga,ttasanen/oga,YorickPeterse/oga,ttasanen/oga,YorickPeterse/oga,YorickPeterse/oga