Remove period from end of headings.
diff --git a/Doc/library/platform.rst b/Doc/library/platform.rst
index 9900278..98b7972 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.