diff --git a/tools/copyright.js b/tools/copyright.js
index afeeada4..74952250 100644
--- a/tools/copyright.js
+++ b/tools/copyright.js
@@ -1,6 +1,6 @@
-/* AUTOGENERATED COPYRIGHT HEADER START
- * Copyright (C) 2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
- * AUTOGENERATED COPYRIGHT HEADER END */
+// AUTOGENERATED COPYRIGHT HEADER START
+// Copyright (C) 2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
+// AUTOGENERATED COPYRIGHT HEADER END
 const CHILD_PROCESS = require("node:child_process");
 const PROCESS = require("node:process");
 const PATH = require("node:path");
@@ -8,6 +8,9 @@ const FS = require("node:fs");
 const FSPROMISES = require("node:fs/promises");
 const OS = require("os");
 
+const SECTION_START = "AUTOGENERATED COPYRIGHT HEADER START";
+const SECTION_END = "AUTOGENERATED COPYRIGHT HEADER END";
+
 async function git_isIgnored(path) {
     await new Promise((resolve, reject) => {
         try {
@@ -148,10 +151,10 @@ function makeHeader(file, copyright) {
                 ".yml",
             ],
             prepend: [
-                "#\u0020AUTOGENERATED COPYRIGHT HEADER START",
+                `# ${SECTION_START}`,
             ],
             append: [
-                "#\u0020AUTOGENERATED COPYRIGHT HEADER END",
+                `# ${SECTION_END}`,
             ],
             prefix: "# ",
             suffix: "",
@@ -164,15 +167,15 @@ function makeHeader(file, copyright) {
                 ".iss.in",
             ],
             prepend: [
-                ";\u0020AUTOGENERATED COPYRIGHT HEADER START",
+                `; ${SECTION_START}`,
             ],
             append: [
-                ";\u0020AUTOGENERATED COPYRIGHT HEADER END",
+                `; ${SECTION_END}`,
             ],
             prefix: "; ",
             suffix: "",
         },
-        "/**/": {
+        "//": {
             files: [
             ], exts: [
                 ".c",
@@ -189,12 +192,12 @@ function makeHeader(file, copyright) {
                 ".effect"
             ],
             prepend: [
-                "/*\u0020AUTOGENERATED COPYRIGHT HEADER START",
+                `// ${SECTION_START}`,
             ],
             append: [
-                " *\u0020AUTOGENERATED COPYRIGHT HEADER END */",
+                `// ${SECTION_END}`,
             ],
-            prefix: " * ",
+            prefix: "// ",
             suffix: "",
         },
         "<!---->": {
@@ -212,13 +215,13 @@ function makeHeader(file, copyright) {
                 ".pkgproj.in",
             ],
             prepend: [
-                "<!--\u0020AUTOGENERATED COPYRIGHT HEADER START",
+                `<!-- ${SECTION_START} -->`,
             ],
             append: [
-                "  --\u0020AUTOGENERATED COPYRIGHT HEADER END -->",
+                `<!-- ${SECTION_END} -->`,
             ],
-            prefix: "  --",
-            suffix: "",
+            prefix: "<!-- ",
+            suffix: " -->",
         }
     };
 
@@ -251,9 +254,15 @@ async function addCopyright(file) {
         let header = makeHeader(file, copyright);
         let insert = Buffer.from(header.join(eol) + eol);
 
-        let startHeader = content.indexOf(header[0]);
-        let endHeader = content.indexOf(header[header.length - 1], startHeader + 1);
-        endHeader += header[header.length - 1].length + eol.length;
+        // Find the starting point.
+        let startHeader = content.indexOf(SECTION_START);
+        startHeader = content.lastIndexOf(eol, startHeader);
+        startHeader += Buffer.from(eol).byteLength;
+        
+        // Find the ending point.
+        let endHeader = content.indexOf(SECTION_END);
+        endHeader = content.indexOf(eol, endHeader);
+        endHeader += Buffer.from(eol).byteLength;
 
         let fd = await FSPROMISES.open(file, "w+");
         let fp = [];