[ZT] Update dex-mcp-server.mdx

Author: pedrosousa

src/content/docs/cloudflare-one/insights/dex/dex-mcp-server.mdx

@@ -12,7 +12,7 @@ Any Cloudflare One customer using a Free, PayGo, or Enterprise account can acces
 There are two primary options for connecting to the DEX MCP server:
 
 - [In Cloudflare's AI Playground](#cloudflare-ai-playground)
-- [With their preferred AI assistant](#ai-assistant)
+- [With your preferred AI assistant](#ai-assistant)
 
 ## Cloudflare AI Playground