message: CLN: add punctuation
diff: @@ -768,7 +768,7 @@ TEST_F(MathGradTest, UnsafeDiv) {
  TensorShape({3, 1})));
  }
  }
  - { // Swap x and y
  + { // Swap x and y.
  SymGrad("UnsafeDiv", y, x, &dy, &dx);
  {
  auto g = [](float x, float y) {
  