misc readme changes

Author: leafo

README.md

@@ -1,14 +1,16 @@
 # lua-openai
 
-Bindings to the OpenAI HTTP API for Lua. Compatible with any socket library
-that supports the LuaSocket request interface. Compatible with OpenResty using
+Bindings to the [OpenAI HTTP
+API](https://platform.openai.com/docs/api-reference) for Lua. Compatible with
+any socket library that supports the LuaSocket request interface. Compatible
+with OpenResty using
 [`lapis.nginx.http`](https://leafo.net/lapis/reference/utilities.html#making-http-requests).
 
 <details>
 <summary>AI Generated Disclaimer</summary>
 
 Although this library was written by hand, large portions of the documentation,
-the test suite, and the GitHub workflow were fully generated by ChatGPT 4 by
+the test suite, and the GitHub workflow were fully generated by GPT-4 by
 pasting the source code of the entire library in as a prompt and asking to
 generate documentation and tests. The final output was edited for clarity and
 syntax (in cases where GPT4 struggled writing MoonScript)