Fix the evp_test Ctrl keyword processing

[oweals/openssl.git] / doc / apps / pkeyutl.pod

diff --git a/doc/apps/pkeyutl.pod b/doc/apps/pkeyutl.pod
index 6b8e2bc277710f52d6243b2fd0a014b69988d0d4..8a455b8187063e74fcb54be82d950d39cf23b38b 100644 (file)
--- a/doc/apps/pkeyutl.pod
+++ b/doc/apps/pkeyutl.pod
@@ -125,7 +125,7 @@ derive a shared secret using the peer key.
 
 Use key derivation function B<algorithm>.  The supported algorithms are
 at present B<TLS1-PRF> and B<HKDF>.
-Note: additional paramers and the KDF output length will normally have to be
+Note: additional parameters and the KDF output length will normally have to be
 set for this to work.  See L<EVP_PKEY_HKDF(3)> and L<EVP_PKEY_TLS1_PRF(3)>
 for the supported string parameters of each algorithm.
 
@@ -240,6 +240,11 @@ verify operations use ECDSA and derive uses ECDH. Currently there are no
 additional options other than B<digest>. Only the SHA1 digest can be used and
 this digest is assumed by default.
 
+=head1 X25519 ALGORITHM
+
+The X25519 algorithm supports key derivation only. Currently there are no
+additional options.
+
 =head1 EXAMPLES
 
 Sign some data using a private key: