diff --git a/docs/concepts/architecture.mdx b/docs/concepts/architecture.mdx
index 6d990e6..f9992be 100644
--- a/docs/concepts/architecture.mdx
+++ b/docs/concepts/architecture.mdx
@@ -267,7 +267,7 @@ Here's a basic example of implementing an MCP server:
             )
 
     if __name__ == "__main__":
-        asyncio.run(main)
+        asyncio.run(main())
     ```
   </Tab>
 </Tabs>