update docs

docs/3-Providers/3-xAI.md

@@ -3,11 +3,11 @@
 - [xAI](https://docs.x.ai/docs)
 - [AGiXT](https://github.com/Josh-XT/AGiXT)
 
-⚠️ **Please note that using some AI providers, such as OpenAI's API, can be expensive. Monitor your usage carefully to avoid incurring unexpected costs. We're NOT responsible for your usage under any circumstance.**
+⚠️ **Please note that using some AI providers, such as xAI's API, can be expensive. Monitor your usage carefully to avoid incurring unexpected costs. We're NOT responsible for your usage under any circumstance.**
 
 ## Quick Start Guide
 
-- Instructions for setting up an OpenAI API key can be found [here](https://platform.openai.com/docs/quickstart).
+- Instructions for setting up an API key to use xAI's Grok models can be found [here](https://docs.x.ai/docs#getting-started).
 
 ### Update your agent settings