docs: link + typo

Author: alukach

README.md

@@ -12,7 +12,7 @@ STAC Auth Proxy is a proxy API that mediates between the client and your interna
 
 ## ✨Features✨
 
-- 🔐 Authentication: Selectively apply OIDC auth & optional scope requirments to some or all endpoints & methods
+- 🔐 Authentication: Selectively apply [OpenID Connect (OIDC)](https://openid.net/developers/how-connect-works/) auth*n token validation & optional scope requirements to some or all endpoints & methods
 - 🛂 Content Filtering: Apply CQL2 filters to client requests, utilizing the [Filter Extension](https://github.com/stac-api-extensions/filter?tab=readme-ov-file) to filter API content based on user context
 - 🧩 Authentication Extension: Integrate the [Authentication Extension](https://github.com/stac-extensions/authentication) into API responses
 - 📘 OpenAPI Augmentation: Update API's [OpenAPI document](https://swagger.io/specification/) with security requirements, keeping auto-generated docs/UIs accurate (e.g. [Swagger UI](https://swagger.io/tools/swagger-ui/))