diff --git a/domparsing/DOMParser-parseFromString-encoding.html b/domparsing/DOMParser-parseFromString-encoding.html
index 0dd4468cf24864..eb1178ccbb5b9b 100644
--- a/domparsing/DOMParser-parseFromString-encoding.html
+++ b/domparsing/DOMParser-parseFromString-encoding.html
@@ -10,7 +10,7 @@
 function assertEncoding(doc) {
   assert_equals(doc.charset, "UTF-8", "document.charset");
   assert_equals(doc.characterSet, "UTF-8", "document.characterSet");
-  assert_equals(doc.inputEncoding, "UTF-8", "document.characterSet");
+  assert_equals(doc.inputEncoding, "UTF-8", "document.inputEncoding");
 }
 
 setup(() => {
diff --git a/html/webappapis/dynamic-markup-insertion/html-unsafe-methods/Document-parseHTMLUnsafe-encoding.html b/html/webappapis/dynamic-markup-insertion/html-unsafe-methods/Document-parseHTMLUnsafe-encoding.html
index 1debcafa3b5340..e310d85540c72d 100644
--- a/html/webappapis/dynamic-markup-insertion/html-unsafe-methods/Document-parseHTMLUnsafe-encoding.html
+++ b/html/webappapis/dynamic-markup-insertion/html-unsafe-methods/Document-parseHTMLUnsafe-encoding.html
@@ -11,7 +11,7 @@
 function assertEncoding(doc) {
   assert_equals(doc.charset, "UTF-8", "document.charset");
   assert_equals(doc.characterSet, "UTF-8", "document.characterSet");
-  assert_equals(doc.inputEncoding, "UTF-8", "document.characterSet");
+  assert_equals(doc.inputEncoding, "UTF-8", "document.inputEncoding");
 }
 
 setup(() => {