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diff --git a/pod/perlre.pod b/pod/perlre.pod
index feafb0e..58cd645 100644
--- a/pod/perlre.pod
+++ b/pod/perlre.pod
@@ -188,14 +188,18 @@ In addition, Perl defines the following:
 	NOTE: breaks up characters into their UTF-8 bytes,
 	so you may end up with malformed pieces of UTF-8.
 
-A C<\w> matches a single alphanumeric character or C<_>, not a whole word.
-Use C<\w+> to match a string of Perl-identifier characters (which isn't 
-the same as matching an English word).  If C<use locale> is in effect, the
-list of alphabetic characters generated by C<\w> is taken from the
-current locale.  See L<perllocale>.  You may use C<\w>, C<\W>, C<\s>, C<\S>,
+A C<\w> matches a single alphanumeric character (an alphabetic
+character, or a decimal digit) or C<_>, not a whole word.  Use C<\w+>
+to match a string of Perl-identifier characters (which isn't the same
+as matching an English word).  If C<use locale> is in effect, the list
+of alphabetic characters generated by C<\w> is taken from the current
+locale.  See L<perllocale>.  You may use C<\w>, C<\W>, C<\s>, C<\S>,
 C<\d>, and C<\D> within character classes, but if you try to use them
-as endpoints of a range, that's not a range, the "-" is understood literally.
-See L<perlunicode> for details about C<\pP>, C<\PP>, and C<\X>.
+as endpoints of a range, that's not a range, the "-" is understood
+literally.  If Unicode is in effect, C<\s> matches also "\x{85}",
+"\x{2028}, and "\x{2029}", see L<perlunicode> for more details about
+C<\pP>, C<\PP>, and C<\X>, and L<perluniintro> about Unicode in
+general.
 
 The POSIX character class syntax
 
@@ -228,11 +232,11 @@ A GNU extension equivalent to C<[ \t]>, `all horizontal whitespace'.
 =item [2]
 
 Not exactly equivalent to C<\s> since the C<[[:space:]]> includes
-also the (very rare) `vertical tabulator', \ck", chr(11).
+also the (very rare) `vertical tabulator', "\ck", chr(11).
 
 =item [3]
 
-A Perl extension. 
+A Perl extension, see above.
 
 =back