diff --git a/doc/apps/x509.pod b/doc/apps/x509.pod
index 3a05fdc828..890e7b5f62 100644
--- a/doc/apps/x509.pod
+++ b/doc/apps/x509.pod
@@ -532,8 +532,8 @@ certificate extensions:
 Set a certificate to be trusted for SSL client use and change set its alias to
 "Steve's Class 1 CA"
 
- openssl x509 -in cert.pem -addtrust sslclient \
-	-alias "Steve's Class 1 CA" -out trust.pem
+ openssl x509 -in cert.pem -addtrust clientAuth \
+	-setalias "Steve's Class 1 CA" -out trust.pem
 
 =head1 NOTES