Update README.md (ag-ui-protocol#149)

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Author: LuisValdesZero

README.md

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 ![Discord](https://img.shields.io/discord/1379082175625953370?logo=discord&logoColor=%23FFFFFF&label=Discord&color=%236963ff)
 
 
-# <img src="https://github.com/user-attachments/assets/ebc0dd08-8732-4519-9b6c-452ce54d8058" alt="ag-ui Logo" height="42px" /> AG-UI: The Agent-User Interaction Protocol
+# <img src="https://github.com/user-attachments/assets/ebc0dd08-8732-4519-9b6c-452ce54d8058" alt="ag-ui Logo" width="45"/> AG-UI: The Agent-User Interaction Protocol
 AG-UI is a lightweight, event-based protocol that standardizes how AI agents connect to front-end applications. Built for simplicity and flexibility, it enables seamless integration between your AI agents and user interfaces.
 
 ![AG-UI](https://github.com/user-attachments/assets/bec3bc01-d8f2-4667-885e-028cbcbc8439)