diff --git a/test/unit/property-effects.html b/test/unit/property-effects.html
index 9501ea3393..31f1676334 100644
--- a/test/unit/property-effects.html
+++ b/test/unit/property-effects.html
@@ -1180,7 +1180,7 @@
   test('compound adjacent textNode bindings', function() {
     // The single space is due to the gambit to prevent empty text nodes
     // from being omitted by IE during importNode from the template; it will
-    // only be there the when in the virgin state after cloning the template
+    // only be there when in the virgin state after cloning the template
     assert.equal(el.$.compound1.textContent, ' ');
     el.cpnd2 = 'cpnd2';
     assert.equal(el.$.compound1.textContent, 'cpnd2');