diff --git a/website/pages/en/developing/assemblyscript-api.mdx b/website/pages/en/developing/assemblyscript-api.mdx
index 6a287f38bc76..5b32ccdcb76c 100644
--- a/website/pages/en/developing/assemblyscript-api.mdx
+++ b/website/pages/en/developing/assemblyscript-api.mdx
@@ -639,6 +639,9 @@ export function handleSomeEvent(event: SomeEvent): void {
   ])
 }
 ```
+##### How to Use Logging to Debug a Subgraph Mappings Error
+
+<VideoEmbed youtube="7H3bm87u5Jw" />
 
 ### IPFS API