diff --git a/source b/source
index 03fd947e3b3..48357566547 100644
--- a/source
+++ b/source
@@ -77215,13 +77215,29 @@ dictionary DragEventInit : MouseEventInit {
context, then that is its creator browsing context. Otherwise, the
browsing context has no creator browsing context.
- If a browsing context A has a creator browsing
- context, then the creator origin, creator URL, creator base
- URL, and creator referrer policy are the origin, URL, base URL, and
- referrer policy, respectively, of the
- Document that was the active document of that creator browsing
- context at the time A was created.
+ If a browsing context context has a creator browsing
+ context creator, it also has the following properties. In what follows, let
+ creator document be creator's active document at the time
+ context is created:
+
+
+ - creator origin
+ - creator document's origin
+
+ - creator URL
+ - creator document's URL
+
+ - creator base URL
+ - creator document's base URL
+
+ - creator referrer policy
+ - creator document's referrer
+ policy
+
+ - creator context security
+ - The result of executing Is environment settings object a secure context? on
+ creator document's relevant settings object
+