Missed one instance of code-block:: text highlighting to revert.
diff --git a/Doc/library/doctest.rst b/Doc/library/doctest.rst
index 802113b..8f8e544 100644
--- a/Doc/library/doctest.rst
+++ b/Doc/library/doctest.rst
@@ -754,9 +754,7 @@
>>> C() # the default repr() for instances embeds an address
<__main__.C instance at 0x00AC18F0>
-The :const:`ELLIPSIS` directive gives a nice approach for the last example:
-
-.. code-block:: text
+The :const:`ELLIPSIS` directive gives a nice approach for the last example::
>>> C() #doctest: +ELLIPSIS
<__main__.C instance at 0x...>