docs: Refine a few AI pages (#31381)

Mostly sharpening the words, simplifying, and removing duplicate
content.

Release Notes:

- N/A

docs/src/ai/overview.md

@@ -1,14 +1,15 @@
 # AI
 
-Zed offers various features that integrate LLMs smoothly into the editor.
+Zed smoothly integrates LLMs in multiple ways across the editor.
+Learn how to get started with AI on Zed and all its capabilities.
 
 ## Setting up AI in Zed
 
-- [Configuration](./configuration.md): Configure the Agent, and set up different language model providers like Anthropic, OpenAI, Ollama, Google AI, and more.
+- [Configuration](./configuration.md): Learn how to set up different language model providers like Anthropic, OpenAI, Ollama, Google AI, and more.
 
-- [Models](./models.md): Information about the various language models available in Zed.
+- [Models](./models.md): Learn about the various language models available in Zed.
 
-- [Subscription](./subscription.md): Information about Zed's subscriptions and other billing-related information.
+- [Subscription](./subscription.md): Learn about Zed's subscriptions and other billing-related information.
 
 - [Privacy and Security](./privacy-and-security.md): Understand how Zed handles privacy and security with AI features.
 
@@ -22,11 +23,11 @@ Zed offers various features that integrate LLMs smoothly into the editor.
 
 - [Model Context Protocol](./mcp.md): Learn about how to install and configure MCP servers.
 
-- [Inline Assistant](./inline-assistant.md): Discover how to use the agent to power inline transformations directly within a file and terminal.
+- [Inline Assistant](./inline-assistant.md): Discover how to use the agent to power inline transformations directly within a file or terminal.
 
 ## Edit Prediction
 
-- [Edit Prediction](./edit-prediction.md): Learn about Zed's Edit Prediction feature that helps autocomplete your code.
+- [Edit Prediction](./edit-prediction.md): Learn about Zed's AI prediction feature that helps autocomplete your code.
 
 ## Text Threads