diff --git a/Doc/library/email.policy.rst b/Doc/library/email.policy.rst
index 8e7076259810f5..bf53b9520fc723 100644
--- a/Doc/library/email.policy.rst
+++ b/Doc/library/email.policy.rst
@@ -210,7 +210,7 @@ added matters.  To illustrate::
       :meth:`register_defect` method.
 
 
-   .. attribute:: mangle_from\_
+   .. attribute:: mangle_from_
 
       If :const:`True`, lines starting with *"From "* in the body are
       escaped by putting a ``>`` in front of them. This parameter is used when