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/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>