diff --git a/assign5/assign5.md b/assign5/assign5.md
index fd51d1097e20ab969c5e60b48ff72216fc927947..3a4ab6a808d4b57aba760aba55362c45032c9d99 100644
--- a/assign5/assign5.md
+++ b/assign5/assign5.md
@@ -239,6 +239,8 @@ https://sedna.cs.umd.edu/436clips/vids/horses.mp4"
 - You can regenerate a reasonable, syntactically correct db as follows:
 ```
  let root = Database.database().reference()
+ root.child("seen").setValue(nil)
+ root.child("urls").setValue(nil)
 
  let vid1 = root.child("urls").childByAutoId()
  vid1.setValue(["name": "Neo romps happily in the snow",