#11785: fix the :mod: references in email package submodule titles.
diff --git a/Doc/library/email.errors.rst b/Doc/library/email.errors.rst
index 06598d5..628fac9 100644
--- a/Doc/library/email.errors.rst
+++ b/Doc/library/email.errors.rst
@@ -1,5 +1,5 @@
-:mod:`email`: Exception and Defect classes
-------------------------------------------
+:mod:`email.errors`: Exception and Defect classes
+-------------------------------------------------
 
 .. module:: email.errors
    :synopsis: The exception classes used by the email package.