diff --git a/docs/administration/config-cheat-sheet.md b/docs/administration/config-cheat-sheet.md
index 823a730e..a7e7cc1c 100644
--- a/docs/administration/config-cheat-sheet.md
+++ b/docs/administration/config-cheat-sheet.md
@@ -111,6 +111,7 @@ In addition, there is _`StaticRootPath`_ which can be set as a built-in at build
    A relative path is interpreted as **`{AppWorkPath}/{ROOT}`**.
 - `SCRIPT_TYPE`: **bash**: The script type this server supports. Usually this is `bash`,
    but some users report that only `sh` is available.
+- `DEFAULT_OBJECT_FORMAT`: **sha1**: The default object format for new repositories. Valid values are `sha1` and `sha256`.
 - `DETECTED_CHARSETS_ORDER`: **UTF-8, UTF-16BE, UTF-16LE, UTF-32BE, UTF-32LE, ISO-8859, windows-1252, ISO-8859, windows-1250, ISO-8859, ISO-8859, ISO-8859, windows-1253, ISO-8859, windows-1255, ISO-8859, windows-1251, windows-1256, KOI8-R, ISO-8859, windows-1254, Shift_JIS, GB18030, EUC-JP, EUC-KR, Big5, ISO-2022, ISO-2022, ISO-2022, IBM424_rtl, IBM424_ltr, IBM420_rtl, IBM420_ltr**: Tie-break order of detected charsets - if the detected charsets have equal confidence, charsets earlier in the list will be chosen in preference to those later. Adding `defaults` will place the unnamed charsets at that point.
 - `ANSI_CHARSET`: **_empty_**: Default ANSI charset to override non-UTF-8 charsets to.
 - `FORCE_PRIVATE`: **false**: Force every new repository to be private.