diff --git a/lib/Perl/OSType.pm b/lib/Perl/OSType.pm
index a72dd02..d2b7404 100644
--- a/lib/Perl/OSType.pm
+++ b/lib/Perl/OSType.pm
@@ -108,6 +108,8 @@ version 1.010
 
 =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