Update understanding-billing.md

Author: VincentLiu777

articles/storage/files/understanding-billing.md

@@ -37,7 +37,7 @@ This article explains how the billing models for Azure Files work to help you un
 
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-        > [!VIDEO https://youtu.be/1sXwvHaTqfg?si=y8QOnsOSA_IgIRbU]
+        > [!VIDEO https://www.youtube.com/embed/1sXwvHaTqfg]
     :::column-end:::
     :::column:::
         This video focus on Azure Files provisioned v2 billing model.