diff --git a/doc/advanced/config-cheat-sheet.en-us.md b/doc/advanced/config-cheat-sheet.en-us.md
index 17d349b5..5b86cadd 100644
--- a/doc/advanced/config-cheat-sheet.en-us.md
+++ b/doc/advanced/config-cheat-sheet.en-us.md
@@ -474,6 +474,7 @@ relation to port exhaustion.
 - `ALLOW_ONLY_EXTERNAL_REGISTRATION`: **false** Set to true to force registration only using third-party services.
 - `NO_REPLY_ADDRESS`: **DOMAIN** Default value for the domain part of the user's email address in the git log if he has set KeepEmailPrivate to true.
   The user's email will be replaced with a concatenation of the user name in lower case, "@" and NO_REPLY_ADDRESS.
+- `USER_DELETE_WITH_COMMENTS_MAX_DAYS`: **0** If a user deletes his account before that amount of days, his comments will be deleted as well.
 
 ## SSH Minimum Key Sizes (`ssh.minimum_key_sizes`)