Removed spaces before commas and periods.
diff --git a/Doc/library/ossaudiodev.rst b/Doc/library/ossaudiodev.rst
index b53e80f..80551aa 100644
--- a/Doc/library/ossaudiodev.rst
+++ b/Doc/library/ossaudiodev.rst
@@ -49,7 +49,7 @@
       the official documentation for the OSS C API
 
    The module defines a large number of constants supplied by the OSS device
-   driver; see ``<sys/soundcard.h>`` on either Linux or FreeBSD for a listing .
+   driver; see ``<sys/soundcard.h>`` on either Linux or FreeBSD for a listing.
 
 :mod:`ossaudiodev` defines the following variables and functions: