doc: Add a missing comma in -traditional option explanation.

CLA: trivial

Reviewed-by: Eugene Syromiatnikov <esyr@openssl.org>
Reviewed-by: Paul Yang <paulyang.inf@gmail.com>
MergeDate: Tue Jun  2 11:48:05 2026
(Merged from https://github.com/openssl/openssl/pull/31342)

doc/man1/openssl-pkcs8.pod.in

diff --git a/doc/man1/openssl-pkcs8.pod.in b/doc/man1/openssl-pkcs8.pod.in
index e2356b4..884a5d5 100644
--- a/doc/man1/openssl-pkcs8.pod.in
+++ b/doc/man1/openssl-pkcs8.pod.in
@@ -74,7 +74,7 @@
 
 =item B<-traditional>
 
-When this option is present and B<-topk8> is not a traditional format private
+When this option is present and B<-topk8> is not, a traditional format private
 key is written.
 
 =item B<-in> I<filename>