Update autostart.rst

users/autostart.rst

@@ -229,6 +229,11 @@ log messages (``-e`` lets the pager jump to the very end)::
 
     journalctl -e -u syncthing@myuser.service
     journalctl -e --user-unit=syncthing.service
+    
+Permissions
+^^^^^^^^^
+
+In case you want to override the permissions under which the files and folders are created (especially because Windows does not have a concept of group permissions), you enable the `Ignore Permissions` option in the folder settings, and add the line "UMask=0002" (or any other umask you like) in the [Service] section of the "syncthing@.service" file.
 
 Debugging
 ^^^^^^^^^