diff --git a/README.md b/README.md
index 1322588..46cfd78 100644
--- a/README.md
+++ b/README.md
@@ -2,15 +2,16 @@
 
 ## Contribution
 
-1. **Root docs serve the zh-CN version** *[MUST]*
-2. **Use sign-off via `git commit -s`** *[MUST]*
-3. **Do not modify the `main` branch for any reason** *[MUST]*
-4. **Do not omit the commit subject for any reason** *[MUST]*
-5. **Describe all changes in the commit message** *[MUST]*
-6. **Rebase before submitting patches** *[MUST]*
-7. **Split commits for large or multi-part changes** *[OPTION]*
-8. **Use OpenPGP/SSH for commit signing** *[OPTION]*
-9. **Have fun contributing :)** *[VERY NECESSARY]*
+1. **Root docs serve the zh-CN version** _[MUST]_
+2. **Use sign-off via `git commit -s`** _[MUST]_
+3. **Do not modify the `main` branch for any reason** _[MUST]_
+4. **Do not omit the commit subject for any reason** _[MUST]_
+5. **Describe all changes in the commit message** _[MUST]_
+6. **Rebase before submitting patches** _[MUST]_
+7. **Commit message written in english** _[MUST]_
+8. **Split commits for large or multi-part changes** _[OPTION]_
+9. **Use OpenPGP/SSH for commit signing** _[OPTION]_
+0. **Have fun contributing :)** _[VERY NECESSARY]_
 
 ## Toolchain
 
@@ -23,9 +24,9 @@
 
 All commands are run from the root of the project, from a terminal:
 
-| Command                   | Action                                           |
-| :------------------------ | :----------------------------------------------- |
-| `yarn install`             | Installs dependencies                            |
+| Command                | Action                                           |
+| :--------------------- | :----------------------------------------------- |
+| `yarn install`         | Installs dependencies                            |
 | `yarn dev`             | Starts local dev server at `localhost:4321`      |
 | `yarn build`           | Build your production site to `./dist/`          |
 | `yarn preview`         | Preview your build locally, before deploying     |