bpo-21063: Improve module synopsis for distutils (GH-17363)

(cherry picked from commit f8a6316778faff3991144c3aec4fa92d7b30a72b)

Co-authored-by: Sanchit Khurana <54467174+GeniusLearner@users.noreply.github.com>
diff --git a/Doc/library/2to3.rst b/Doc/library/2to3.rst
index fa4b0a9..c3ff3e60 100644
--- a/Doc/library/2to3.rst
+++ b/Doc/library/2to3.rst
@@ -456,7 +456,7 @@
 -------------------------------
 
 .. module:: lib2to3
-   :synopsis: the 2to3 library
+   :synopsis: The 2to3 library
 
 .. moduleauthor:: Guido van Rossum
 .. moduleauthor:: Collin Winter
diff --git a/Doc/library/linecache.rst b/Doc/library/linecache.rst
index 9278fc0..dd9f4ee 100644
--- a/Doc/library/linecache.rst
+++ b/Doc/library/linecache.rst
@@ -2,7 +2,7 @@
 ================================================
 
 .. module:: linecache
-   :synopsis: This module provides random access to individual lines from text files.
+   :synopsis: Provides random access to individual lines from text files.
 
 .. sectionauthor:: Moshe Zadka <moshez@zadka.site.co.il>
 
diff --git a/Doc/library/statistics.rst b/Doc/library/statistics.rst
index a790ed8..4c7239c 100644
--- a/Doc/library/statistics.rst
+++ b/Doc/library/statistics.rst
@@ -2,7 +2,7 @@
 =======================================================
 
 .. module:: statistics
-   :synopsis: mathematical statistics functions
+   :synopsis: Mathematical statistics functions
 
 .. moduleauthor:: Steven D'Aprano <steve+python@pearwood.info>
 .. sectionauthor:: Steven D'Aprano <steve+python@pearwood.info>
diff --git a/Doc/library/zipimport.rst b/Doc/library/zipimport.rst
index 2138697..8ac3fb1 100644
--- a/Doc/library/zipimport.rst
+++ b/Doc/library/zipimport.rst
@@ -2,7 +2,7 @@
 =====================================================
 
 .. module:: zipimport
-   :synopsis: support for importing Python modules from ZIP archives.
+   :synopsis: Support for importing Python modules from ZIP archives.
 
 .. moduleauthor:: Just van Rossum <just@letterror.com>