diff --git a/docs/README.md b/docs/README.md
index 3f97909..e6f0d22 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1,4 +1,4 @@
-# Bohrok Animations -- README
+# Bohrok Animations – README
 
 Makuta has been defeated, but the danger is not past. The insect-like Bohrok swarms have awakened, bringing chaos and destruction everywhere they go. To stop them, the Toa must travel deep underground and be forever transformed.
 
diff --git a/package-lock.json b/package-lock.json
index 5ac1686..d649f22 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,6 +14,7 @@
 				"archiver": "^6.0.1",
 				"innosetup": "^6.0.5",
 				"marked": "^9.1.2",
+				"marked-gfm-heading-id": "^3.1.0",
 				"tar": "^6.2.0"
 			},
 			"optionalDependencies": {
@@ -940,6 +941,11 @@
 				"node": ">=6"
 			}
 		},
+		"node_modules/github-slugger": {
+			"version": "2.0.0",
+			"resolved": "https://registry.npmjs.org/github-slugger/-/github-slugger-2.0.0.tgz",
+			"integrity": "sha512-IaOQ9puYtjrkq7Y0Ygl9KDZnrf/aiUJYUpVf89y8kyaxbRG7Y1SrX/jaumrv81vc61+kiMempujsM3Yw7w5qcw=="
+		},
 		"node_modules/glob": {
 			"version": "8.1.0",
 			"resolved": "https://registry.npmjs.org/glob/-/glob-8.1.0.tgz",
@@ -1407,6 +1413,17 @@
 				"node": ">= 16"
 			}
 		},
+		"node_modules/marked-gfm-heading-id": {
+			"version": "3.1.0",
+			"resolved": "https://registry.npmjs.org/marked-gfm-heading-id/-/marked-gfm-heading-id-3.1.0.tgz",
+			"integrity": "sha512-PYgLXDbL64Ga6kCpvVuKVoIVsV6MKUtkOXnR8mIqyjiycAeKNhQxcGpO0mHEogOTzyY8A8TcK49k5VwYMUCCbg==",
+			"dependencies": {
+				"github-slugger": "^2.0.0"
+			},
+			"peerDependencies": {
+				"marked": ">=4 <10"
+			}
+		},
 		"node_modules/merge2": {
 			"version": "1.4.1",
 			"resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
diff --git a/package.json b/package.json
index 9421cbf..48ccfb8 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
 		"archiver": "^6.0.1",
 		"innosetup": "^6.0.5",
 		"marked": "^9.1.2",
+		"marked-gfm-heading-id": "^3.1.0",
 		"tar": "^6.2.0"
 	}
 }
diff --git a/util/doc.mjs b/util/doc.mjs
index acda3e7..093a3d9 100644
--- a/util/doc.mjs
+++ b/util/doc.mjs
@@ -2,6 +2,7 @@ import {readdir, readFile, stat, writeFile} from 'fs/promises';
 import {pathToFileURL} from 'url';
 
 import {marked} from 'marked';
+import {gfmHeadingId} from 'marked-gfm-heading-id';
 
 import {templateStrings} from './string.mjs';
 
@@ -35,12 +36,13 @@ export async function docs(src, dst) {
 		breaks: true,
 		smartypants: true
 	};
+	const ext = [gfmHeadingId({})];
 	await Promise.all(
 		(await readdir(src))
 			.filter(f => /^[^\.].*\.md$/i.test(f))
 			.sort()
 			.map(f => readFile(`${src}/${f}`, 'utf8').then(md => {
-				const body = marked(md, options).trim();
+				const body = marked.use(...ext)(md, options).trim();
 				const title = firstHeader(body);
 				return writeFile(
 					`${dst}/${f}`.replace(/\.md$/i, '.html'),