diff --git a/doc/ext/autosummary.rst b/doc/ext/autosummary.rst
index 57abd6165..f270a67b6 100644
--- a/doc/ext/autosummary.rst
+++ b/doc/ext/autosummary.rst
@@ -220,6 +220,6 @@ The following variables available in the templates:
    for classes.
 
 .. note::
-   
+
    You can use the :dir:`autosummary` directive in the stub pages.
    Stub pages are generated also based on these directives.