diff --git a/admin-guide/configuration/distribute_files.md b/admin-guide/configuration/distribute_files.md
index a6409b70..2cf0bf2c 100644
--- a/admin-guide/configuration/distribute_files.md
+++ b/admin-guide/configuration/distribute_files.md
@@ -79,7 +79,7 @@ The option `force: true` is only needed for directories. For a directory, if abs
 To synchronize a git repository to the host you might list them in the `files::git` hash. The key is the destination directory and the value is a hash with following options:
 
 - `url`: URL of the public git repository to clone
-- `revision`: what branch, tag or commit-hash should be checked out
+- `revision`: what branch, tag or commit-hash should be checked out (optional)
 
 Example:
 
@@ -90,6 +90,8 @@ files::git:
     revision: 'main'
 ```
 
+If the `revision` is missing, it will initialize the checkout with the default branch, but after leave the checkout as is and not try to ensure that it is on given revision (branch, tag or commit).
+
 Note that submodules are automatically initialized.
 
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