Update prompts.mdx (#2383)

Author: chitalian

docs/features/prompts.mdx

@@ -21,7 +21,7 @@ import QuestionsSection from "/snippets/questions-section.mdx";
 <iframe
   width="100%"
   height="420"
-  src="https://www.youtube.com/embed/qIOq_NbeQ28?autoplay=1&mute=1"
+  src="https://www.youtube.com/embed/pJAn6hoQJDc?autoplay=1&mute=1"
 ></iframe>
 
 ## Introduction