diff --git a/HVAC/Ducts/Videos/Video.txt b/HVAC/Ducts/Videos/Video.txt
index 8b137891..2cd679de 100644
--- a/HVAC/Ducts/Videos/Video.txt
+++ b/HVAC/Ducts/Videos/Video.txt
@@ -1 +1,2 @@
-
+HVAC - Ducts assembly - FreeCAD Library:
+https://www.youtube.com/watch?v=7hzYNSnopAo