diff --git a/layout/style/test/animation_utils.js b/layout/style/test/animation_utils.js
index a75780f5909c..6e5b46fb51be 100644
--- a/layout/style/test/animation_utils.js
+++ b/layout/style/test/animation_utils.js
@@ -101,11 +101,13 @@ function runOMTATest(aTestFunction, aOnSkip) {
         // We only call this when we know it will fail as otherwise in the
         // regular success case we will end up inflating the "passed tests"
         // count by 1
-        ok(isWorking, "OMTA is working as expected");
+        ok(isWorking, "OMTA should work");
         aOnSkip();
       }
     } else {
-      todo(isWorking, "OMTA is working");
+      todo(isWorking,
+           "OMTA should ideally work, though we don't expect it to work on " +
+           "this platform/configuration");
       aOnSkip();
     }
   }).catch(function(err) {