diff --git a/Frequently-asked-Questions--Common-Questions.md b/Frequently-asked-Questions--Common-Questions.md
index bc5ebb6..380acc9 100644
--- a/Frequently-asked-Questions--Common-Questions.md
+++ b/Frequently-asked-Questions--Common-Questions.md
@@ -41,6 +41,7 @@ double GetElapsed(Timer timer)
     return GetTime() - timer.StartTime;
 }
 ```
+You can see a short video on the concept here. https://youtu.be/vGlvTWUctTQ
 
 # What do all the fields in Camera2d mean?