diff --git a/include/ceres/internal/autodiff.h b/include/ceres/internal/autodiff.h
index cefcfb4..4b97b5b 100644
--- a/include/ceres/internal/autodiff.h
+++ b/include/ceres/internal/autodiff.h
@@ -206,9 +206,9 @@
 // If one having three parameter blocks with dimensions (3, 2, 4), the call
 // Make1stOrderPerturbations<integer_sequence<3, 2, 4>::Apply(params, x);
 // will result in the following calls to Make1stOrderPerturbation:
-// Make1stOrderPerturbation<0, 3>(params[0], x + 0);
-// Make1stOrderPerturbation<3, 2>(params[1], x + 3);
-// Make1stOrderPerturbation<5, 4>(params[2], x + 5);
+// Make1stOrderPerturbation<0, 0, 3>::Apply(params[0], x + 0);
+// Make1stOrderPerturbation<0, 3, 2>::Apply(params[1], x + 3);
+// Make1stOrderPerturbation<0, 5, 4>::Apply(params[2], x + 5);
 template <typename Seq, int ParameterIdx = 0, int Offset = 0>
 struct Make1stOrderPerturbations;
 
diff --git a/internal/ceres/local_parameterization.cc b/internal/ceres/local_parameterization.cc
index 9e1f2a4..b6316f1 100644
--- a/internal/ceres/local_parameterization.cc
+++ b/internal/ceres/local_parameterization.cc
@@ -313,7 +313,7 @@
 
   int x_cursor = 0;
   int delta_cursor = 0;
-  for (const auto& param : local_params_) {
+  for (const auto& param : local_params_) {
     const int local_size = param->LocalSize();
     const int global_size = param->GlobalSize();