diff --git a/doc/crypto/des.pod b/doc/crypto/des.pod
index 528c73aca..6f0cf1cc5 100644
--- a/doc/crypto/des.pod
+++ b/doc/crypto/des.pod
@@ -283,7 +283,7 @@ DES_cbc_encrypt is used.
 =head1 NOTES
 
 Single-key DES is insecure due to its short key size.  ECB mode is
-not suitable for most applications; see L<DES_modes(7)|DES_modes(7)>.
+not suitable for most applications; see L<des_modes(7)|des_modes(7)>.
 
 The L<evp(3)|evp(3)> library provides higher-level encryption functions.