diff --git a/package.json b/package.json
index b6e67b256..95526b252 100644
--- a/package.json
+++ b/package.json
@@ -7,10 +7,10 @@
     "change": "changeset",
     "changeset": "changeset",
     "check-dependency-version": "check-dependency-version-consistency . --dep-type devDependencies",
-    "check-spell": "npx cspell",
+    "check-spell": "npx cspell && heading-case",
     "dev": "cross-env NX_DAEMON=false NX_REJECT_UNKNOWN_LOCAL_CACHE=0 nx run-many -t dev --exclude @rspress-fixture/* --exclude @rspress/docs",
     "dev:website": "cross-env NX_DAEMON=false NX_REJECT_UNKNOWN_LOCAL_CACHE=0 nx run @rspress/docs:dev",
-    "format": "prettier . --write && biome check --write",
+    "format": "prettier . --write && biome check --write && heading-case --write",
     "generate-release-pr": "zx scripts/generateReleasePr.mjs",
     "lint": "biome check . --diagnostic-level=warn && prettier . --check && pnpm run check-spell",
     "prepare": "pnpm run build && husky",
@@ -47,6 +47,7 @@
     "execa": "8.0.1",
     "fs-extra": "11.2.0",
     "get-port": "5.1.1",
+    "heading-case": "^0.1.4",
     "husky": "^9.1.7",
     "lint-staged": "~15.3.0",
     "nx": "20.3.1",
diff --git a/packages/document/README.md b/packages/document/README.md
index 628ffdf9d..ea397ac34 100644
--- a/packages/document/README.md
+++ b/packages/document/README.md
@@ -1,4 +1,4 @@
-# Rspress Website
+# Rspress website
 
 ## Writing style guide
 
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c74706605..bed3ab8f2 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -53,6 +53,9 @@ importers:
       get-port:
         specifier: 5.1.1
         version: 5.1.1
+      heading-case:
+        specifier: ^0.1.4
+        version: 0.1.4
       husky:
         specifier: ^9.1.7
         version: 9.1.7
@@ -4413,6 +4416,10 @@ packages:
     resolution: {integrity: sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==}
     hasBin: true
 
+  heading-case@0.1.4:
+    resolution: {integrity: sha512-YyUcfb1Yq0fKhosrnqQRI/qXPYXU1E2a7jgZiGJ6DZ9iDtgZfJ1Y5pge/omOl3vjqQ9L9SKX2Qui8rIP7MXMxQ==}
+    hasBin: true
+
   highlight.js@10.7.3:
     resolution: {integrity: sha512-tzcUFauisWKNHaRkN4Wjl/ZA07gENAjFl3J/c480dprkGTg5EQstgaNFqBfUqCq54kZRIEcreTsAgF/m2quD7A==}
 
@@ -9849,6 +9856,8 @@ snapshots:
   he@1.2.0:
     optional: true
 
+  heading-case@0.1.4: {}
+
   highlight.js@10.7.3: {}
 
   highlight.js@11.8.0: {}