diff --git a/doc/crypto/crypto.pod b/doc/crypto/crypto.pod
index cce4e4e0e..b6efcf8e1 100644
--- a/doc/crypto/crypto.pod
+++ b/doc/crypto/crypto.pod
@@ -40,7 +40,7 @@ L<x509(3)|x509(3)>, L<x509v3(3)|x509v3(3)>
 
 =item AUTHENTICATION CODES, HASH FUNCTIONS
 
-L<hmac(3)|hmac(3)>, L<md2(3)|md5(3)>, L<md5(3)|md5(3)>, L<mdc2(3)|mdc2(3)>,
+L<hmac(3)|hmac(3)>, L<md2(3)|md2(3)>, L<md5(3)|md5(3)>, L<mdc2(3)|mdc2(3)>,
 L<ripemd(3)|ripemd(3)>, L<sha(3)|sha(3)> 
 
 =item AUXILIARY FUNCTIONS