diff --git a/tests/test262-es6-excludelist.xml b/tests/test262-es6-excludelist.xml
index 716eccd0c..7ebd8b657 100644
--- a/tests/test262-es6-excludelist.xml
+++ b/tests/test262-es6-excludelist.xml
@@ -59,12 +59,12 @@
   <test id="built-ins/Proxy/enumerate/return-trap-result.js"><reason></reason></test>
   <test id="built-ins/Proxy/enumerate/return-trap-result-no-value.js"><reason></reason></test>
   <test id="built-ins/Proxy/enumerate/trap-is-not-callable.js"><reason>For-in supports proxy</reason></test>
-  <test id="built-ins/Reflect/enumerate/does-not-iterate-over-symbol-properties.js"><reason></reason></test>
-  <test id="built-ins/Reflect/enumerate/enumerate.js"><reason></reason></test>
-  <test id="built-ins/Reflect/enumerate/length.js"><reason></reason></test>
-  <test id="built-ins/Reflect/enumerate/name.js"><reason></reason></test>
-  <test id="built-ins/Reflect/enumerate/return-abrupt-from-result.js"><reason></reason></test>
-  <test id="built-ins/Reflect/enumerate/return-iterator.js"><reason></reason></test>
+  <test id="built-ins/Reflect/enumerate/does-not-iterate-over-symbol-properties.js"><reason>ES2016 change: Reflect.enumerate has been removed</reason></test>
+  <test id="built-ins/Reflect/enumerate/enumerate.js"><reason>ES2016 change: Reflect.enumerate has been removed</reason></test>
+  <test id="built-ins/Reflect/enumerate/length.js"><reason>ES2016 change: Reflect.enumerate has been removed</reason></test>
+  <test id="built-ins/Reflect/enumerate/name.js"><reason>ES2016 change: Reflect.enumerate has been removed</reason></test>
+  <test id="built-ins/Reflect/enumerate/return-abrupt-from-result.js"><reason>ES2016 change: Reflect.enumerate has been removed</reason></test>
+  <test id="built-ins/Reflect/enumerate/return-iterator.js"><reason>ES2016 change: Reflect.enumerate has been removed</reason></test>
   <test id="built-ins/RegExp/prototype/exec/get-sticky-coerce.js"><reason>RegExpBuiltinExec no longer uses accessors to get flags</reason></test>
   <test id="built-ins/RegExp/prototype/exec/get-sticky-err.js"><reason>RegExpBuiltinExec no longer uses accessors to get flags</reason></test>
   <test id="built-ins/RegExp/prototype/Symbol.match/builtin-coerce-global.js"><reason>RegExpBuiltinExec no longer uses accessors to get flags</reason></test>