diff --git a/Unicode/Unicode.pm b/Unicode/Unicode.pm
index eb72c39..e7d7843 100644
--- a/Unicode/Unicode.pm
+++ b/Unicode/Unicode.pm
@@ -170,7 +170,7 @@ simply treated as a normal character (ZERO WIDTH NO-BREAK SPACE).
 
 When BE or LE is omitted during decode(), it checks if BOM is at the
 beginning of the string; if one is found, the endianness is set to
-what the BOM says.  
+what the BOM says.
 
 =item *
 
@@ -258,15 +258,15 @@ Consider that "division by zero" of Encode :)
 
 =head1 SEE ALSO
 
-L<Encode>, L<Encode::Unicode::UTF7>, L<http://www.unicode.org/glossary/>,
-L<http://www.unicode.org/faq/utf_bom.html>,
+L<Encode>, L<Encode::Unicode::UTF7>, L<https://www.unicode.org/glossary/>,
+L<https://www.unicode.org/faq/utf_bom.html>,
 
 RFC 2781 L<http://www.ietf.org/rfc/rfc2781.txt>,
 
-The whole Unicode standard L<http://www.unicode.org/unicode/uni2book/u2.html>
+The whole Unicode standard L<https://www.unicode.org/standard/standard.html>
 
-Ch. 15, pp. 403 of C<Programming Perl (3rd Edition)>
-by Larry Wall, Tom Christiansen, Jon Orwant;
-O'Reilly & Associates; ISBN 0-596-00027-8
+Ch. 6 pp. 275 of C<Programming Perl (3rd Edition)>
+by Tom Christiansen, brian d foy & Larry Wall;
+O'Reilly & Associates; ISBN 978-0-596-00492-7
 
 =cut