* @key_idx: Key index
* @key: Key
* @key_len: Key length in octets
- * @mac_addr: MAC address of the peer
+ * @mac_addr: MAC address of the Credential receiver
* @cred_attr: Unparsed Credential attribute data (used only in cred_cb());
* this may be %NULL, if not used
* @cred_attr_len: Length of cred_attr in octets