diff --git a/example/autodiff_reverse_black_scholes.cpp b/example/autodiff_reverse_black_scholes.cpp
index c808bc54d..15e1e5fcd 100644
--- a/example/autodiff_reverse_black_scholes.cpp
+++ b/example/autodiff_reverse_black_scholes.cpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/example/reverse_mode_linear_regression_example.cpp b/example/reverse_mode_linear_regression_example.cpp
index cb69daee8..e2fc164bc 100644
--- a/example/reverse_mode_linear_regression_example.cpp
+++ b/example/reverse_mode_linear_regression_example.cpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/include/boost/math/differentiation/autodiff_reverse.hpp b/include/boost/math/differentiation/autodiff_reverse.hpp
index 57584a765..c42d3e5a6 100644
--- a/include/boost/math/differentiation/autodiff_reverse.hpp
+++ b/include/boost/math/differentiation/autodiff_reverse.hpp
@@ -1,9 +1,9 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
-#ifndef BOOST_MATH_DIFFERENTIATION_AUTODIFF_HPP
-#define BOOST_MATH_DIFFERENTIATION_AUTODIFF_HPP
+#ifndef BOOST_MATH_DIFFERENTIATION_AUTODIFF_REVERSE_HPP
+#define BOOST_MATH_DIFFERENTIATION_AUTODIFF_REVERSE_HPP
 
 #include <boost/math/constants/constants.hpp>
 
diff --git a/include/boost/math/differentiation/detail/reverse_mode_autodiff_basic_operator_expressions.hpp b/include/boost/math/differentiation/detail/reverse_mode_autodiff_basic_operator_expressions.hpp
index 904401aed..9efd485bc 100644
--- a/include/boost/math/differentiation/detail/reverse_mode_autodiff_basic_operator_expressions.hpp
+++ b/include/boost/math/differentiation/detail/reverse_mode_autodiff_basic_operator_expressions.hpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/include/boost/math/differentiation/detail/reverse_mode_autodiff_basic_ops_et.hpp b/include/boost/math/differentiation/detail/reverse_mode_autodiff_basic_ops_et.hpp
index 4767d1703..9d552fbe9 100644
--- a/include/boost/math/differentiation/detail/reverse_mode_autodiff_basic_ops_et.hpp
+++ b/include/boost/math/differentiation/detail/reverse_mode_autodiff_basic_ops_et.hpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/include/boost/math/differentiation/detail/reverse_mode_autodiff_basic_ops_no_et.hpp b/include/boost/math/differentiation/detail/reverse_mode_autodiff_basic_ops_no_et.hpp
index 6a5788710..67c1fb77e 100644
--- a/include/boost/math/differentiation/detail/reverse_mode_autodiff_basic_ops_no_et.hpp
+++ b/include/boost/math/differentiation/detail/reverse_mode_autodiff_basic_ops_no_et.hpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/include/boost/math/differentiation/detail/reverse_mode_autodiff_comparison_operator_overloads.hpp b/include/boost/math/differentiation/detail/reverse_mode_autodiff_comparison_operator_overloads.hpp
index 79616b317..768cdcc08 100644
--- a/include/boost/math/differentiation/detail/reverse_mode_autodiff_comparison_operator_overloads.hpp
+++ b/include/boost/math/differentiation/detail/reverse_mode_autodiff_comparison_operator_overloads.hpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/include/boost/math/differentiation/detail/reverse_mode_autodiff_erf_overloads.hpp b/include/boost/math/differentiation/detail/reverse_mode_autodiff_erf_overloads.hpp
index a6a50e636..5c885f9e2 100644
--- a/include/boost/math/differentiation/detail/reverse_mode_autodiff_erf_overloads.hpp
+++ b/include/boost/math/differentiation/detail/reverse_mode_autodiff_erf_overloads.hpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/include/boost/math/differentiation/detail/reverse_mode_autodiff_expression_template_base.hpp b/include/boost/math/differentiation/detail/reverse_mode_autodiff_expression_template_base.hpp
index 1df0617ab..494b317c6 100644
--- a/include/boost/math/differentiation/detail/reverse_mode_autodiff_expression_template_base.hpp
+++ b/include/boost/math/differentiation/detail/reverse_mode_autodiff_expression_template_base.hpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/include/boost/math/differentiation/detail/reverse_mode_autodiff_helper_functions.hpp b/include/boost/math/differentiation/detail/reverse_mode_autodiff_helper_functions.hpp
index fd08e8e88..4bd88ad68 100644
--- a/include/boost/math/differentiation/detail/reverse_mode_autodiff_helper_functions.hpp
+++ b/include/boost/math/differentiation/detail/reverse_mode_autodiff_helper_functions.hpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/include/boost/math/differentiation/detail/reverse_mode_autodiff_memory_management.hpp b/include/boost/math/differentiation/detail/reverse_mode_autodiff_memory_management.hpp
index b0b5ab055..ee668c18b 100644
--- a/include/boost/math/differentiation/detail/reverse_mode_autodiff_memory_management.hpp
+++ b/include/boost/math/differentiation/detail/reverse_mode_autodiff_memory_management.hpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/include/boost/math/differentiation/detail/reverse_mode_autodiff_stl_et.hpp b/include/boost/math/differentiation/detail/reverse_mode_autodiff_stl_et.hpp
index 8ef304f3b..70bf42459 100644
--- a/include/boost/math/differentiation/detail/reverse_mode_autodiff_stl_et.hpp
+++ b/include/boost/math/differentiation/detail/reverse_mode_autodiff_stl_et.hpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/include/boost/math/differentiation/detail/reverse_mode_autodiff_stl_expressions.hpp b/include/boost/math/differentiation/detail/reverse_mode_autodiff_stl_expressions.hpp
index 4d780cd7e..b5f9570d3 100644
--- a/include/boost/math/differentiation/detail/reverse_mode_autodiff_stl_expressions.hpp
+++ b/include/boost/math/differentiation/detail/reverse_mode_autodiff_stl_expressions.hpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/include/boost/math/differentiation/detail/reverse_mode_autodiff_stl_no_et.hpp b/include/boost/math/differentiation/detail/reverse_mode_autodiff_stl_no_et.hpp
index 15498a127..e3f65c3a2 100644
--- a/include/boost/math/differentiation/detail/reverse_mode_autodiff_stl_no_et.hpp
+++ b/include/boost/math/differentiation/detail/reverse_mode_autodiff_stl_no_et.hpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/include/boost/math/differentiation/detail/reverse_mode_autodiff_utilities.hpp b/include/boost/math/differentiation/detail/reverse_mode_autodiff_utilities.hpp
index 6ec34ef3c..9452f8827 100644
--- a/include/boost/math/differentiation/detail/reverse_mode_autodiff_utilities.hpp
+++ b/include/boost/math/differentiation/detail/reverse_mode_autodiff_utilities.hpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/test/test_autodiff_reverse.hpp b/test/test_autodiff_reverse.hpp
index 1ad56c2ed..d539fa243 100644
--- a/test/test_autodiff_reverse.hpp
+++ b/test/test_autodiff_reverse.hpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/test/test_reverse_mode_autodiff_basic_math_ops.cpp b/test/test_reverse_mode_autodiff_basic_math_ops.cpp
index b8e476c9a..cd065f5f2 100644
--- a/test/test_reverse_mode_autodiff_basic_math_ops.cpp
+++ b/test/test_reverse_mode_autodiff_basic_math_ops.cpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/test/test_reverse_mode_autodiff_comparison_operators.cpp b/test/test_reverse_mode_autodiff_comparison_operators.cpp
index 1b32b5d63..8aca094c8 100644
--- a/test/test_reverse_mode_autodiff_comparison_operators.cpp
+++ b/test/test_reverse_mode_autodiff_comparison_operators.cpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/test/test_reverse_mode_autodiff_constructors.cpp b/test/test_reverse_mode_autodiff_constructors.cpp
index b1704d4a0..e91f91238 100644
--- a/test/test_reverse_mode_autodiff_constructors.cpp
+++ b/test/test_reverse_mode_autodiff_constructors.cpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/test/test_reverse_mode_autodiff_error_functions.cpp b/test/test_reverse_mode_autodiff_error_functions.cpp
index d96aaba79..5b4256389 100644
--- a/test/test_reverse_mode_autodiff_error_functions.cpp
+++ b/test/test_reverse_mode_autodiff_error_functions.cpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/test/test_reverse_mode_autodiff_flat_linear_allocator.cpp b/test/test_reverse_mode_autodiff_flat_linear_allocator.cpp
index a2c2cfec8..ef7d293d0 100644
--- a/test/test_reverse_mode_autodiff_flat_linear_allocator.cpp
+++ b/test/test_reverse_mode_autodiff_flat_linear_allocator.cpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/test/test_reverse_mode_autodiff_special_functions_compile/specfun_list.txt b/test/test_reverse_mode_autodiff_special_functions_compile/specfun_list.txt
index c260f44d6..3923f9147 100644
--- a/test/test_reverse_mode_autodiff_special_functions_compile/specfun_list.txt
+++ b/test/test_reverse_mode_autodiff_special_functions_compile/specfun_list.txt
@@ -1,4 +1,4 @@
-#           Copyright Maksym Zhelyenzyakov 2025-2026.
+#           Copyright Maksym Zhelyeznyakov 2025-2026.
 # Distributed under the Boost Software License, Version 1.0.
 #      (See accompanying file LICENSE_1_0.txt or copy at
 #           https://www.boost.org/LICENSE_1_0.txt)
diff --git a/test/test_reverse_mode_autodiff_stl_support.cpp b/test/test_reverse_mode_autodiff_stl_support.cpp
index eef947db3..0f24d4eb8 100644
--- a/test/test_reverse_mode_autodiff_stl_support.cpp
+++ b/test/test_reverse_mode_autodiff_stl_support.cpp
@@ -1,4 +1,4 @@
-//           Copyright Maksym Zhelyenzyakov 2025-2026.
+//           Copyright Maksym Zhelyeznyakov 2025-2026.
 // Distributed under the Boost Software License, Version 1.0.
 //      (See accompanying file LICENSE_1_0.txt or copy at
 //           https://www.boost.org/LICENSE_1_0.txt)