diff --git a/posts/ladybird_attempt.md b/posts/ladybird_attempt.md
index 8fff245..0ab206b 100644
--- a/posts/ladybird_attempt.md
+++ b/posts/ladybird_attempt.md
@@ -83,3 +83,26 @@ Userland/Libraries/LibWeb/CSS/CSSAnimation.idl looks very good
         readonly attribute CSSOMString animationName;
     };
 
+
+Or Userland/Libraries/LibWeb/DOMURL/DOMURL.idl that has an example of a constructor value.
+
+    #import <FileAPI/Blob.idl>
+    #import <DOMURL/URLSearchParams.idl>
+
+    // https://url.spec.whatwg.org/#url
+    [Exposed=*, LegacyWindowAlias=webkitURL, ImplementedAs=DOMURL]
+    interface URL {
+        constructor(USVString url, optional USVString base);
+
+        [ImplementedAs=parse_for_bindings] static DOMURL? parse(USVString url, optional USVString base);
+        static boolean canParse(USVString url, optional USVString base);
+
+        stringifier attribute USVString href;
+        readonly attribute USVString origin;
+        attribute USVString protocol;
+        attribute USVString username;
+
+    ...
+
+
+