Dear Charles,
Greetings from Sophie, Top China Travel!
Thank you very much for your attention and questions.
Please kindly be advised that the 14 days visa free to Hong Kong for Benin citizens is correct. For more information, you could check Hong Kong Immigration Department website as below for your reference, http://www.immd.gov.hk/en/services/hk-visas/visit-transit/visit-visa-entry-permit.html
Best regards
Sophie Huang
Top China Travel