diff --git a/doc/apps/x509.pod b/doc/apps/x509.pod
index 84f76cb42..a1a4c4288 100644
--- a/doc/apps/x509.pod
+++ b/doc/apps/x509.pod
@@ -163,7 +163,8 @@ prints out the start and expiry dates of a certificate.
 
 =item B<-fingerprint>
 
-prints out the digest of the DER encoded version of the whole certificate.
+prints out the digest of the DER encoded version of the whole certificate
+(see digest options).
 
 =item B<-C>