Fix type on getwindowsversion documentation. Thanks Taggnostr.
diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
index 94c2956..f2e5983 100644
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -470,7 +470,7 @@
.. function:: getwindowsversion()
- Return a named tuple containing describing the Windows version
+ Return a named tuple describing the Windows version
currently running. The named elements are *major*, *minor*,
*build*, *platform*, *service_pack*, *service_pack_minor*,
*service_pack_major*, *suite_mask*, and *product_type*.