Reword IO::Special abstract.

doc/Type/IO/Special.pod6

@@ -7,9 +7,9 @@
 =for code
 class IO::Special does IO { }
 
-Used as a L«C<$.path>|/type/IO::Handle#method_path>» attribute in special
-standard input and output handles C<$*IN>, C<$*OUT> and C<$*ERR>. Provides
-abridged interface of L«C<IO::Handle>|/type/IO::Handle», mostly file tests
+Used as a L«C<$.path>|/type/IO::Handle#method_path>» attribute in file handles
+for special standard input C<$*IN> and output C<$*OUT> and C<$*ERR>. Provides
+a bridged interface of L«C<IO::Handle>|/type/IO::Handle», mostly file tests
 and stringification.
 
 =head1 Methods