--- lib/Perl/OSType.pm
+++ lib/Perl/OSType.pm
@@ -104,6 +104,8 @@
 
 =head1 DESCRIPTION
 
+=for :stopwords Unix Win32 Windows
+
 Modules that provide OS-specific behaviors often need to know if
 the current operating system matches a more generic type of
 operating systems. For example, 'linux' is a type of 'Unix' operating system