Fix broken link

Author: juecd

browsers/extensions.mdx

@@ -88,7 +88,7 @@ kernel extensions upload ./downloaded-extension --name my-extension
 
 ## Loading an extension into a running browser
 
-If you have a browser running and would like to load an extension into it after the browser session has started, Kernel also allows you to do that via the CLI (or [API](http://localhost:3000/api-reference/browsers/ad-hoc-upload-one-or-more-unpacked-extensions-to-a-running-browser-instance)):
+If you have a browser running and would like to load an extension into it after the browser session has started, Kernel also allows you to do that via the CLI (or [API](/api-reference/browsers/ad-hoc-upload-one-or-more-unpacked-extensions-to-a-running-browser-instance)):
 
 ```bash CLI
 kernel browsers extensions upload <session_id> ./my-extension

integrations/overview.mdx

@@ -17,11 +17,11 @@ Kernel browsers work with any framework or tool that supports the Chrome DevTool
 
 Kernel provides detailed guides for popular agent frameworks:
 
-- **[Browser Use](/integrations/browser-use)** - Python-based AI browser agent framework
+- **[Browser Use](/integrations/browser-use)** - AI browser agent framework
 - **[Stagehand](/integrations/stagehand)** - AI browser automation with natural language
 - **[Computer Use (Anthropic)](/integrations/computer-use/anthropic)** - Claude's computer use capability
 - **[Computer Use (OpenAI)](/integrations/computer-use/openai)** - OpenAI's computer use capability
-- **[Magnitude](/integrations/magnitude)** - AI-powered web automation
+- **[Magnitude](/integrations/magnitude)** - Vision-focused browser automation framework
 - **[Val Town](/integrations/valtown)** - Serverless function runtime
 - **[Vercel](https://github.com/onkernel/vercel-template)** - Deploy browser automations to Vercel