doc: note the default iteration count for PBKDF2 in the enc command

Fixes #20466

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/20471)

diff --git a/doc/man1/openssl-enc.pod.in b/doc/man1/openssl-enc.pod.in
index be66d07f5d517d52ae99823ec67e696f9a5a04b9..84d67361f82e47db9d1544308b51911ba62eaca5 100644 (file)
--- a/doc/man1/openssl-enc.pod.in
+++ b/doc/man1/openssl-enc.pod.in
@@ -129,7 +129,8 @@ This option enables the use of PBKDF2 algorithm to derive the key.
 
 =item B<-pbkdf2>
 
-Use PBKDF2 algorithm with default iteration count unless otherwise specified.
+Use PBKDF2 algorithm with a default iteration count of 10000
+unless otherwise specified by the B<-iter> command line option.
 
 =item B<-nosalt>