diff --git a/admin/new.docusaurus.io/functionUtils/playgroundUtils.ts b/admin/new.docusaurus.io/functionUtils/playgroundUtils.ts
index d5c1a28fee..1fd7b75073 100644
--- a/admin/new.docusaurus.io/functionUtils/playgroundUtils.ts
+++ b/admin/new.docusaurus.io/functionUtils/playgroundUtils.ts
@@ -10,7 +10,9 @@ import type {HandlerEvent, HandlerResponse} from '@netlify/functions';
 const CookieName = 'DocusaurusPlaygroundName';
 
 const PlaygroundConfigs = {
-  codesandbox: 'https://codesandbox.io/s/docusaurus',
+  // codesandbox: 'https://codesandbox.io/s/docusaurus', // Do not use this one, see https://github.com/codesandbox/codesandbox-client/issues/5683#issuecomment-1023252459
+  codesandbox:
+    'https://codesandbox.io/s/github/facebook/docusaurus/tree/main/examples/classic',
 
   // stackblitz: 'https://stackblitz.com/fork/docusaurus', // not updated
   // stackblitz: 'https://stackblitz.com/github/facebook/docusaurus/tree/main/examples/classic', // slow to load
diff --git a/admin/publish.md b/admin/publish.md
index 19c704488b..699ab5106a 100644
--- a/admin/publish.md
+++ b/admin/publish.md
@@ -187,6 +187,8 @@ This command does a few things:
 
 You should receive many emails notifying you that a new version of the packages has been published.
 
+If above command fail (network issue or whatever), you can try to recover with `yarn lerna publish from-package`: it will try to publish the packages that are missing on npm.
+
 Now that the release is done, **merge the pull request**.
 
 ### 7. Create a release on GitHub