diff --git a/Cycloidal Gearbox.md b/Cycloidal Gearbox.md
index 340de65..64f6b5a 100644
--- a/Cycloidal Gearbox.md	
+++ b/Cycloidal Gearbox.md	
@@ -38,7 +38,7 @@ To clearly illustrate the internal mechanics, structural design, and assembly st
     - **Assembly Video** – starts with an exploded view and step-by-step buildup
 
         
-        <iframe width="560" height="315" src="https://www.youtube.com/embed/hN_mbnVWklc" frameborder="0" allowfullscreen></iframe>
+        <iframe width="1297" height="387" src="https://www.youtube.com/embed/hN_mbnVWklc" title="Cycloidal Double Disc Bolted Gearbox" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
     
 
     - **Disassembly Video** – shows teardown process in reverse order