Ensures suggested videos are shown only from the same channel. (#534)

* Update caching.mdx

Ensures suggested videos are shown only from the same channel.

* Update caching.mdx

update v1

Author: kp-cat

website/docs/advanced/caching.mdx

@@ -26,7 +26,7 @@ You can (and should) update the cache manually, by calling a `forceRefresh()` -
 This animation explains the different polling modes:
 
 <figure className="youtube-container">
-<iframe width="100%" src="https://www.youtube.com/embed/_LWPjR4_GqA" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
+<iframe width="100%" src="https://www.youtube.com/embed/_LWPjR4_GqA?rel=0" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
 </figure>
 
 ## Caching

website/versioned_docs/version-V1/advanced/caching.mdx

@@ -26,7 +26,7 @@ You can (and should) update the cache manually, by calling a `forceRefresh()` -
 This animation explains the different polling modes:
 
 <figure className="youtube-container">
-<iframe width="100%" src="https://www.youtube.com/embed/_LWPjR4_GqA" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
+<iframe width="100%" src="https://www.youtube.com/embed/_LWPjR4_GqA?rel=0" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
 </figure>
 
 ## Caching