diff --git a/docs/MANUAL b/docs/MANUAL
index de35e1694..cffaad158 100644
--- a/docs/MANUAL
+++ b/docs/MANUAL
@@ -591,7 +591,7 @@ HTTPS
     Run the 'openssl' application to convert the certificate. If you cd to the
     openssl installation, you can do it like:
 
-     # ./apps/openssl pkcs12 -certfile [file you saved] -out [PEMfile]
+     # ./apps/openssl pkcs12 -in [file you saved] -clcerts -out [PEMfile]
 
 
 RESUMING FILE TRANSFERS