diff --git a/example/autodiff_reverse_black_scholes.cpp b/example/autodiff_reverse_black_scholes.cpp
index c808bc54dd..15e1e5fcda 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 cb69daee84..e2fc164bc4 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 f005bf4e03..d6e9138c71 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 904401aed6..9efd485bca 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 4767d17030..9d552fbe92 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 6a57887109..67c1fb77e9 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 79616b3176..768cdcc084 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 7f7fd9ce8a..a9430781c6 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 1df0617ab6..494b317c67 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 fd08e8e888..4bd88ad68a 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 b0b5ab0555..ee668c18b9 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 8ef304f3b6..70bf424590 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 4d780cd7ec..b5f9570d35 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 15498a1279..e3f65c3a25 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 6ec34ef3cd..9452f8827c 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 b5671003e6..423413aec1 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 b8e476c9a6..cd065f5f22 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 1b32b5d63b..8aca094c88 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 b1704d4a01..e91f912380 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 d96aaba796..5b4256389a 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 a2c2cfec84..ef7d293d09 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 5648679385..e7494e70aa 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 f3f82afa8e..cc43a7aa6a 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)