=item "DC"/"decryption failed"
-A TLSCiphertext decrypted in an invalid way: either it wasn`t an
+A TLSCiphertext decrypted in an invalid way: either it wasn't an
even multiple of the block length or its padding values, when
-checked, weren`t correct. This message is always fatal.
+checked, weren't correct. This message is always fatal.
=item "RO"/"record overflow"
A valid certificate chain or partial chain was received, but the
certificate was not accepted because the CA certificate could not
-be located or couldn`t be matched with a known, trusted CA. This
+be located or couldn't be matched with a known, trusted CA. This
message is always fatal.
=item "AD"/"access denied"
difficult to communicate changes to these parameters after that
point. This message is always a warning.
+=item "UP"/"unknown PSK identity"
+
+Sent by the server to indicate that it does not recognize a PSK
+identity or an SRP identity.
+
=item "UK"/"unknown"
This indicates that no description is available for this alert type.