diff --git a/Lib/email/base64mime.py b/Lib/email/base64mime.py
index 28e25425207..6cbfdf6ad8a 100644
--- a/Lib/email/base64mime.py
+++ b/Lib/email/base64mime.py
@@ -20,7 +20,7 @@ in To:, From:, Cc:, etc. fields, as well as Subject: lines.
 
 This module does not do the line wrapping or end-of-line character conversion
 necessary for proper internationalized headers; it only does dumb encoding and
-decoding.  To deal with the various line wrapping issues, use the email.Header
+decoding.  To deal with the various line wrapping issues, use the email.header
 module.
 """
 
@@ -104,7 +104,7 @@ def decode(string):
 
     This function does not parse a full MIME header value encoded with
     base64 (like =?iso-8895-1?b?bmloISBuaWgh?=) -- please use the high
-    level email.Header class for that functionality.
+    level email.header class for that functionality.
     """
     if not string:
         return bytes()
diff --git a/Lib/email/header.py b/Lib/email/header.py
index 3215a80f9b6..c924d3a7227 100644
--- a/Lib/email/header.py
+++ b/Lib/email/header.py
@@ -61,7 +61,7 @@ def decode_header(header):
     otherwise a lower-case string containing the name of the character set
     specified in the encoded string.
 
-    An email.Errors.HeaderParseError may be raised when certain decoding error
+    An email.errors.HeaderParseError may be raised when certain decoding error
     occurs (e.g. a base64 decoding exception).
     """
     # If no encoding, just return the header with no charset.
diff --git a/Lib/email/quoprimime.py b/Lib/email/quoprimime.py
index bf28d3980db..12df0288388 100644
--- a/Lib/email/quoprimime.py
+++ b/Lib/email/quoprimime.py
@@ -11,7 +11,7 @@ character set, but that includes some 8-bit characters that are normally not
 allowed in email bodies or headers.
 
 Quoted-printable is very space-inefficient for encoding binary files; use the
-email.base64MIME module for that instead.
+email.base64mime module for that instead.
 
 This module provides an interface to encode and decode both headers and bodies
 with quoted-printable encoding.
@@ -23,7 +23,7 @@ in To:/From:/Cc: etc. fields, as well as Subject: lines.
 This module does not do the line wrapping or end-of-line character
 conversion necessary for proper internationalized headers; it only
 does dumb encoding and decoding.  To deal with the various line
-wrapping issues, use the email.Header module.
+wrapping issues, use the email.header module.
 """
 
 __all__ = [
@@ -291,7 +291,7 @@ def header_decode(s):
 
     This function does not parse a full MIME header value encoded with
     quoted-printable (like =?iso-8895-1?q?Hello_World?=) -- please use
-    the high level email.Header class for that functionality.
+    the high level email.header class for that functionality.
     """
     s = s.replace('_', ' ')
     return re.sub(r'=\w{2}', _unquote_match, s, re.ASCII)
diff --git a/Lib/email/test/test_email_torture.py b/Lib/email/test/test_email_torture.py
index 57233bfdbb0..67d1a4775ee 100644
--- a/Lib/email/test/test_email_torture.py
+++ b/Lib/email/test/test_email_torture.py
@@ -17,7 +17,7 @@ from test.support import TestSkipped
 
 import email
 from email import __file__ as testfile
-from email.Iterators import _structure
+from email.iterators import _structure
 
 def openfile(filename):
     from os.path import join, dirname, abspath
diff --git a/Lib/wsgiref/headers.py b/Lib/wsgiref/headers.py
index 025067a1ef6..d316d302ace 100644
--- a/Lib/wsgiref/headers.py
+++ b/Lib/wsgiref/headers.py
@@ -1,6 +1,6 @@
 """Manage HTTP Response Headers
 
-Much of this module is red-handedly pilfered from email.Message in the stdlib,
+Much of this module is red-handedly pilfered from email.message in the stdlib,
 so portions are Copyright (C) 2001,2002 Python Software Foundation, and were
 written by Barry Warsaw.
 """
@@ -184,7 +184,7 @@ class Headers:
 
         h.add_header('content-disposition', 'attachment', filename='bud.gif')
 
-        Note that unlike the corresponding 'email.Message' method, this does
+        Note that unlike the corresponding 'email.message' method, this does
         *not* handle '(charset, language, value)' tuples: all values must be
         strings or None.
         """