diff --git a/doc/advanced/config-cheat-sheet.en-us.md b/doc/advanced/config-cheat-sheet.en-us.md
index 5cc148f4..13c5f987 100644
--- a/doc/advanced/config-cheat-sheet.en-us.md
+++ b/doc/advanced/config-cheat-sheet.en-us.md
@@ -71,6 +71,7 @@ Values containing `#` or `;` must be quoted using `` ` `` or `"""`.
 - `ENABLE_PUSH_CREATE_ORG`:  **false**: Allow users to push local repositories to Gitea and have them automatically created for an org.
 - `PREFIX_ARCHIVE_FILES`: **true**: Prefix archive files by placing them in a directory named after the repository.
 - `DISABLE_MIRRORS`: **false**: Disable the creation of **new** mirrors. Pre-existing mirrors remain valid.
+- `DEFAULT_BRANCH`: **master**: Default branch name of all repositories.
 
 ### Repository - Pull Request (`repository.pull-request`)