diff --git a/Doc/library/index.rst b/Doc/library/index.rst
index ac7ab91..a925e10 100644
--- a/Doc/library/index.rst
+++ b/Doc/library/index.rst
@@ -20,7 +20,7 @@
 encourage and enhance the portability of Python programs by abstracting
 away platform-specifics into platform-neutral APIs.
 
-The Python installers for the Windows platform usually includes
+The Python installers for the Windows platform usually include
 the entire standard library and often also include many additional
 components. For Unix-like operating systems Python is normally provided
 as a collection of packages, so it may be necessary to use the packaging