message: Fix comment following code review.
diff: @@ -110,11 +110,11 @@ StatusOr<HloInstruction*> MakeConcatHlo(
  // the given primitive type.
  HloInstruction* MakeConvertToHlo(HloInstruction* hlo, PrimitiveType type);
  -// Create a BitcastConvert HLO instruction.
  +// Creates a BitcastConvert HLO instruction.
  HloInstruction* MakeBitcastConvertToHlo(HloInstruction* hlo,
  PrimitiveType type);
  -// Creates an Iota HLO instruction
  +// Creates an Iota HLO instruction.
  HloInstruction* MakeIotaHlo(HloComputation* computation, const Shape& shape,
  int64 iota_dimension);
  