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-rw-r--r--doc/man1/req.pod6
1 files changed, 4 insertions, 2 deletions
diff --git a/doc/man1/req.pod b/doc/man1/req.pod
index 113cd9b6c985..c76d63d6fd81 100644
--- a/doc/man1/req.pod
+++ b/doc/man1/req.pod
@@ -221,8 +221,10 @@ see L<openssl(1)/COMMAND SUMMARY>.
Sets subject name for new request or supersedes the subject name
when processing a request.
-The arg must be formatted as I</type0=value0/type1=value1/type2=...>,
-characters may be escaped by \ (backslash), no spaces are skipped.
+The arg must be formatted as I</type0=value0/type1=value1/type2=...>.
+Keyword characters may be escaped by \ (backslash), and whitespace is retained.
+Empty values are permitted, but the corresponding type will not be included
+in the request.
=item B<-multivalue-rdn>