diff --git a/Modules/FindDoxygen.cmake b/Modules/FindDoxygen.cmake
index 290516a1a9..737faf402c 100644
--- a/Modules/FindDoxygen.cmake
+++ b/Modules/FindDoxygen.cmake
@@ -743,7 +743,7 @@ if(TARGET Doxygen::doxygen)
     endif()
 
     # Write a do-not-edit header to files we are going to generate...
-    set(_Doxygen_dne_header
+    set(_Doxygen_do_not_edit_header
 [[
 #
 # DO NOT EDIT! THIS FILE WAS GENERATED BY CMAKE!
@@ -813,9 +813,9 @@ endif()
 "Unexpected line format! Code review required!\nFault line: ${_Doxygen_param}")
         endif()
     endforeach()
-    file(WRITE "${_doxyfile_defaults}" "${_Doxygen_dne_header}"
+    file(WRITE "${_doxyfile_defaults}" "${_Doxygen_do_not_edit_header}"
                                        "${_doxyfile_defaults_contents}")
-    file(WRITE "${_doxyfile_in}"       "${_Doxygen_dne_header}"
+    file(WRITE "${_doxyfile_in}"       "${_Doxygen_do_not_edit_header}"
                                        "${_doxyfile_in_contents}")
 
     # Ok, dumped defaults are not needed anymore...
@@ -823,7 +823,7 @@ endif()
 
     unset(_Doxygen_param)
     unset(_Doxygen_tpl_params)
-    unset(_Doxygen_dne_header)
+    unset(_Doxygen_do_not_edit_header)
     unset(_Doxygen_tpl)
 
 endif()