diff --git a/README.md b/README.md
index 7dd29da..52ad0bd 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ App to hold regional code for Germany, built on top of ERPNext.
 
 - Validation of EU VAT IDs
 
-    Automatically checks the validity of EU VAT IDs of all your customers every three months, or manually whenever you want.
+    Automatically checks the validity of EU VAT IDs of all your customers every three months, or manually whenever you want. Check out the [intro on Youtube](https://youtu.be/hsFMn2Y85zA) (german).
 
    ![Validate EU VAT ID](docs/vat_check.png)