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-rw-r--r--doc/apps/req.pod9
1 files changed, 6 insertions, 3 deletions
diff --git a/doc/apps/req.pod b/doc/apps/req.pod
index 54a4d394d282..30653e509357 100644
--- a/doc/apps/req.pod
+++ b/doc/apps/req.pod
@@ -347,9 +347,12 @@ configuration file values.
=item B<default_bits>
-This specifies the default key size in bits. If not specified then
-512 is used. It is used if the B<-new> option is used. It can be
-overridden by using the B<-newkey> option.
+Specifies the default key size in bits.
+
+This option is used in conjunction with the B<-new> option to generate
+a new key. It can be overridden by specifying an explicit key size in
+the B<-newkey> option. The smallest accepted key size is 512 bits. If
+no key size is specified then 2048 bits is used.
=item B<default_keyfile>