diff --git a/Doc/library/re.rst b/Doc/library/re.rst
index df5b547ffc8..61f62b3491f 100644
--- a/Doc/library/re.rst
+++ b/Doc/library/re.rst
@@ -245,7 +245,7 @@ The special characters are:
    (dot matches all), and :const:`re.X` (verbose), for the part of the
    expression.  (The flags are described in :ref:`contents-of-module-re`.)
 
-   .. versionadded: 3.7
+   .. versionadded:: 3.7
 
 ``(?P<name>...)``
    Similar to regular parentheses, but the substring matched by the group is