diff --git a/source b/source
index 5a1f566d3da..475ddd6c3e4 100644
--- a/source
+++ b/source
@@ -81668,7 +81668,7 @@ interface <dfn>BarProp</dfn> {
     data-x="concept-document-origin">origin</span> or any of its <span data-x="ancestor browsing
     context">ancestors</span>' <span>active document</span>'s <span
     data-x="concept-document-origin">origins</span> are not <span>same origin</span> with
-    <var>ancestor</var>'s <span>top-level browsing context</span>'s <span>active document</span>'s
+    <var>accessor</var>'s <span>top-level browsing context</span>'s <span>active document</span>'s
     <span data-x="concept-document-origin">origin</span>, or if <var>accessed</var>'s <span>active
     document</span>'s <span data-x="concept-document-origin">origin</span> or any of its <span
     data-x="ancestor browsing context">ancestors</span>' <span>active document</span>'s <span