Adrien Martin updated the ovh/docs repository by delivering a focused documentation enhancement for VoIP phone services. He added detailed guidance on phone locking, incorporated a security warning about default PIN usage, and ensured metadata accuracy with an updated last-modified date. Using Markdown and leveraging his documentation skills, Adrien also addressed a query code issue within the documentation tooling to improve the accuracy of information retrieval. His work targeted customer onboarding and support efficiency, aiming to reduce queries related to VoIP security features. The scope of the update was narrow but addressed specific user needs, reinforcing best practices for VoIP security.