diff --git a/NEWS b/NEWS
index eb2c135..4e275b9 100644
--- a/NEWS
+++ b/NEWS
@@ -14,6 +14,8 @@ API Changes:
       take a constant size for Rx buffer
     - New nfc_initiator_target_is_present() to test is the previously selected
       target is available in the field
+    - nfc_initiator_transceive_bytes() returns NFC_ETGRELEASED when AUTH
+      command failed on a Mifare Classic.
 
 New in 1.6.0-rc1:
 
diff --git a/libnfc/nfc.c b/libnfc/nfc.c
index acb2940..6f73fe1 100644
--- a/libnfc/nfc.c
+++ b/libnfc/nfc.c
@@ -614,6 +614,9 @@ nfc_initiator_deselect_target(nfc_device *pnd)
  * Tests show that on average this way of communicating is much faster than using the regular driver/middle-ware (often supplied by manufacturers).
  *
  * @warning The configuration option \a NP_HANDLE_PARITY must be set to \c true (the default value).
+ * 
+ * @note When used with MIFARE Classic, NFC_ETGRELEASED error is returned if authentication command failed. You need to re-select the tag to operate with.
+ * 
  */
 int
 nfc_initiator_transceive_bytes(nfc_device *pnd, const uint8_t *pbtTx, const size_t szTx, uint8_t *pbtRx,