diff --git a/docs/source/developers/guides/index.rst b/docs/source/developers/guides/index.rst
index a30897263..dc6b8dd95 100644
--- a/docs/source/developers/guides/index.rst
+++ b/docs/source/developers/guides/index.rst
@@ -3,6 +3,6 @@ Guides
 
 .. toctree::
    :maxdepth: 2
-   
+
    docs/index.rst
    code/index.rst