diff --git a/Documentation/RCU/index.rst b/Documentation/RCU/index.rst
index 84a79903f6a8..e1be5b3c2c67 100644
--- a/Documentation/RCU/index.rst
+++ b/Documentation/RCU/index.rst
@@ -7,7 +7,7 @@ RCU concepts
 ============
 
 .. toctree::
-   :maxdepth: 3
+   :maxdepth: 2
 
    checklist
    lockdep