diff --git a/test/SphericalSingle_test.cc b/test/SphericalSingle_test.cc
index db68c37..3e73e51 100644
--- a/test/SphericalSingle_test.cc
+++ b/test/SphericalSingle_test.cc
@@ -140,8 +140,7 @@ TEST(SphericalSingle, Incident2) {
   EXPECT_NEAR(r.Up(), v.Up(), 1.0e-06);
   EXPECT_NEAR(r.Forward(), v.Forward(), 1.0e-06);
 
-  // s = SphericalSingle
-  (10, 45, 45);
+  // s = SphericalSingle(10, 45, 45);
   // r = s.ToVector3();
   // EXPECT_NEAR(r.x, 5, 1.0e-06);
   // EXPECT_NEAR(r.y, 7.07, 1.0e-06);