diff --git a/Doc/library/contextlib.rst b/Doc/library/contextlib.rst
index 7403a3520b5..bac9d137362 100644
--- a/Doc/library/contextlib.rst
+++ b/Doc/library/contextlib.rst
@@ -1,5 +1,5 @@
-:mod:`contextlib` --- Utilities for :keyword:`with`\ -statement contexts.
-=========================================================================
+:mod:`contextlib` --- Utilities for :keyword:`with`\ -statement contexts
+========================================================================
 
 .. module:: contextlib
    :synopsis: Utilities for with-statement contexts.
diff --git a/Doc/library/pickletools.rst b/Doc/library/pickletools.rst
index ba8f96304c5..88ecbab919d 100644
--- a/Doc/library/pickletools.rst
+++ b/Doc/library/pickletools.rst
@@ -1,6 +1,5 @@
-
-:mod:`pickletools` --- Tools for pickle developers.
-===================================================
+:mod:`pickletools` --- Tools for pickle developers
+==================================================
 
 .. module:: pickletools
    :synopsis: Contains extensive comments about the pickle protocols and pickle-machine opcodes, as well as some useful functions.
diff --git a/Doc/library/platform.rst b/Doc/library/platform.rst
index 3d5228ae047..447253bf1d5 100644
--- a/Doc/library/platform.rst
+++ b/Doc/library/platform.rst
@@ -1,6 +1,5 @@
-
-:mod:`platform` ---  Access to underlying platform's identifying data.
-======================================================================
+:mod:`platform` ---  Access to underlying platform's identifying data
+=====================================================================
 
 .. module:: platform
    :synopsis: Retrieves as much platform identifying data as possible.