Update - OpenSSL 1.1.1-pre7-dev

doc/man3/PKCS5_PBKDF2_HMAC.pod

@@ -52,6 +52,9 @@ Increasing the B<iter> parameter slows down the algorithm which makes it
 harder for an attacker to perform a brute force attack using a large number
 of candidate passwords.
 
+These functions make no assumption regarding the given password.
+It will simply be treated as a byte sequence.
+
 =head1 RETURN VALUES
 
 PKCS5_PBKDF2_HMAC() and PBKCS5_PBKDF2_HMAC_SHA1() return 1 on success or 0 on error.
@@ -59,7 +62,8 @@ PKCS5_PBKDF2_HMAC() and PBKCS5_PBKDF2_HMAC_SHA1() return 1 on success or 0 on er
 =head1 SEE ALSO
 
 L<evp(7)>, L<RAND_bytes(3)>,
-L<EVP_BytesToKey(3)>
+L<EVP_BytesToKey(3)>,
+L<passphrase-encoding(7)>
 
 =head1 COPYRIGHT