diff --git a/doc/crypto/des_modes.pod b/doc/crypto/des_modes.pod
index 02664036f..e883ca8fd 100644
--- a/doc/crypto/des_modes.pod
+++ b/doc/crypto/des_modes.pod
@@ -4,7 +4,7 @@
 
 =head1 NAME
 
-Modes of DES - the variants of DES and other crypto algorithms of OpenSSL
+des_modes - the variants of DES and other crypto algorithms of OpenSSL
 
 =head1 DESCRIPTION