diff --git a/content/00.build/90.contributing-to-documentation/20.contribution-guidelines.md b/content/00.build/90.contributing-to-documentation/20.contribution-guidelines.md
index 6e8fdbd9..734dd264 100644
--- a/content/00.build/90.contributing-to-documentation/20.contribution-guidelines.md
+++ b/content/00.build/90.contributing-to-documentation/20.contribution-guidelines.md
@@ -7,8 +7,7 @@ description: Learn how to contribute to ZKsync Docs
 
 **Production**: Visit [ZKsync Docs](https://docs.zksync.io/) for official documentation.
 
-**Staging**: Test and preview changes on the
-[ZKsync Docs Staging](https://zksync-docs-staging-5eb09.web.app/) environment.
+**Staging**: [zKsync Docs Staging](https://staging-docs.zksync.io/) environment.
 
 ## Git workflow
 
@@ -16,6 +15,15 @@ description: Learn how to contribute to ZKsync Docs
 - The `staging` branch is for previews in the staging environment.
 - Contributors submit feature branches as PRs to the `staging` branch.
 
+### Signed git commits
+
+Your git commits need to be signed with a verified signature.
+
+1. Follow the instructions to
+  [generate a signing key](https://docs.github.com/en/authentication/managing-commit-signature-verification/generating-a-new-gpg-key).
+1. [Add the key to your GitHub account](https://docs.github.com/en/authentication/managing-commit-signature-verification/adding-a-gpg-key-to-your-github-account).
+1. [Tell git about your signing key](https://docs.github.com/en/authentication/managing-commit-signature-verification/telling-git-about-your-signing-key).
+
 ## Contribution workflow
 
 To set up and run the project locally, consult the root [`README.md`](%%zk_git_repo_zksync-docs%%) file.