diff --git a/website/docs/deployment.mdx b/website/docs/deployment.mdx
index 7b04ba91670a..d537b7b48d58 100644
--- a/website/docs/deployment.mdx
+++ b/website/docs/deployment.mdx
@@ -368,7 +368,6 @@ While you can have both jobs defined in the same workflow file, the original `de
 We will use a popular third-party deployment action: [peaceiris/actions-gh-pages](https://github.com/peaceiris/actions-gh-pages#%EF%B8%8F-docusaurus).
 
 <details>
-
 <summary>GitHub action files</summary>
 
 Add these two workflow files:
@@ -526,7 +525,7 @@ jobs:
 
 </details>
 
-```
+```mdx-code-block
 </TabItem>
 </Tabs>
 ```