diff --git a/Doc/tutorial/introduction.rst b/Doc/tutorial/introduction.rst
index bec5da8fd759ac..cdb35da7bc95ba 100644
--- a/Doc/tutorial/introduction.rst
+++ b/Doc/tutorial/introduction.rst
@@ -147,6 +147,8 @@ Python can manipulate text (represented by type :class:`str`, so-called
 "``Yay! :)``". They can be enclosed in single quotes (``'...'``) or double
 quotes (``"..."``) with the same result [#]_.
 
+.. code-block:: pycon
+
    >>> 'spam eggs'  # single quotes
    'spam eggs'
    >>> "Paris rabbit got your back :)! Yay!"  # double quotes