fix(curriculum): correct element name in step 9 hint (freeCodeCamp#65831)

Author: Raam751

curriculum/challenges/english/blocks/workshop-html-video-player/68f268880219c2485bd71d2a.md

@@ -13,7 +13,7 @@ Add the `src` attribute with the value `https://cdn.freecodecamp.org/curriculum/
 
 # --hints--
 
-Your `video` element should have a `src` attribute.
+Your `source` element should have a `src` attribute.
 
 ```js
 const source = document.querySelector('source');