diff --git a/doc/nextcloudcmd.rst b/doc/nextcloudcmd.rst
index 23b0212a439e5..36cf64cb1b2be 100644
--- a/doc/nextcloudcmd.rst
+++ b/doc/nextcloudcmd.rst
@@ -82,6 +82,15 @@ installed along with ``nextcloudcmd`` and thus be available in a system location
 be placed next to the binary as ``sync-exclude.lst`` or be explicitly specified
 with the ``--exclude`` switch.
 
+The required file content is one exclude item per line where wildcards are allowed, e.g.: 
+::
+
+    ~*.tmp
+    ._*
+    ]Thumbs.db
+    ]photothumb.db
+    System Volume Information
+
 Example
 ~~~~~~~~~~~~