diff --git a/Documentation/admin-guide/device-mapper/vdo.rst b/Documentation/admin-guide/device-mapper/vdo.rst
index a14e6d3e787c..8a67b320a97b 100644
--- a/Documentation/admin-guide/device-mapper/vdo.rst
+++ b/Documentation/admin-guide/device-mapper/vdo.rst
@@ -1,5 +1,6 @@
 .. SPDX-License-Identifier: GPL-2.0-only
 
+======
 dm-vdo
 ======