Update index.html

index.html

@@ -101,7 +101,7 @@
         <p>
           IntelliChat is a cutting-edge AI system specifically trained to answer questions related to Vietnamese law, making legal knowledge accessible to every Vietnamese citizen. Available on both <strong>Website</strong> and <strong>Facebook Messenger</strong> platforms to maximize user reach and convenience.<br><br>
         </p>
-        <iframe src="https://youtu.be/emtF8ZkHqf8" title="IntelliChat - Trợ lý AI văn bản pháp luật Việt Nam" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
+        <iframe width="1742" height="947" src="https://www.youtube.com/embed/emtF8ZkHqf8" title="IntelliChat - An Intelligence AI Assistant for Vietnamese Legal Texts" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
         <p>
           Built on a sophisticated multi-layered architecture leveraging state-of-the-art AI technologies, IntelliChat prioritizes accuracy by grounding all responses in official Vietnamese legal documents. Every answer comes with <strong>reference sources</strong> and supporting documentation, enabling users to independently verify and cross-check the information provided.<br><br>
           Our system is designed with comprehensive safety measures, ensuring polite and professional responses while refusing to engage with harmful content. IntelliChat features specialized legal AI trained exclusively on Vietnamese law, source-based responses with reference documentation, safety-centered design with responsible AI principles - all <strong>completely free</strong> for all Vietnamese citizens.<br><br>