Update syntax

Author: gagb

README.md

@@ -7,8 +7,7 @@ _Complete complex web tasks by combining real-time browser automation with trans
 
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-![Magentic-UI Demo](./docs/landing.gif)
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+<img src="./docs/landing.gif" loop=infinite>
 
 Magentic-UI is a multi-agent system for automating complex web tasks. An Orchestrator coordinates four agents—WebSurfer, Coder, FileSurfer, and UserProxy—to handle browsing, coding, file management, and user feedback, all through a collaborative web interface. Here's how you can get started with Magentic-UI.