diff --git a/docs/index.rst b/docs/index.rst
index 58dfc828679c1c179cae4ab5c827aad2cc1ff3bd..453d3b89168e0981f2337c5dfcd2ca1f98e22c6d 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -2,7 +2,7 @@ Welcome to satella's documentation!
 ===================================
 
 .. toctree::
-:maxdepth: 2
+           :maxdepth: 2
            :caption: Contents:
 
                coding/monitor