diff --git a/tools/domprops.js b/tools/domprops.js
index 7ce2affb4..adebc7f72 100644
--- a/tools/domprops.js
+++ b/tools/domprops.js
@@ -3081,6 +3081,7 @@ export var domprops = [
     "attestationObject",
     "attrChange",
     "attrName",
+    "attributeChangedCallback",
     "attributeFilter",
     "attributeName",
     "attributeNamespace",
@@ -3638,6 +3639,7 @@ export var domprops = [
     "connectShark",
     "connectStart",
     "connected",
+    "connectedCallback',
     "connection",
     "connectionList",
     "connectionSpeed",