whitespace
diff --git a/Doc/reference/lexical_analysis.rst b/Doc/reference/lexical_analysis.rst
index 62ec664..ea92b8e 100644
--- a/Doc/reference/lexical_analysis.rst
+++ b/Doc/reference/lexical_analysis.rst
@@ -359,10 +359,11 @@
 .. versionchanged:: 2.5
    Using :keyword:`as` and :keyword:`with` as identifiers triggers a warning.  To
    use them as keywords, enable the ``with_statement`` future feature .
-   
+
 .. versionchanged:: 2.6
     :keyword:`as` and :keyword:`with` are full keywords.
 
+
 .. _id-classes:
 
 Reserved classes of identifiers