diff --git a/src/libtnccs/tnc/tnccs/tnccs.h b/src/libtnccs/tnc/tnccs/tnccs.h
index 5d5b0a191..4e7d9f276 100644
--- a/src/libtnccs/tnc/tnccs/tnccs.h
+++ b/src/libtnccs/tnc/tnccs/tnccs.h
@@ -169,8 +169,9 @@ typedef tnccs_t *(*tnccs_constructor_t)(bool is_server,
 /**
  * Callback function adding a message to a TNCCS batch
  *
+ * @param tnccs			TNCCS context
  * @param imc_id		ID of IMC or TNC_IMCID_ANY
- * @param imc_id		ID of IMV or TNC_IMVID_ANY
+ * @param imv_id		ID of IMV or TNC_IMVID_ANY
  * @param msg_flags		message flags
  * @param msg			message to be added
  * @param msg_len		message length
@@ -178,7 +179,7 @@ typedef tnccs_t *(*tnccs_constructor_t)(bool is_server,
  * @param msg_subtype	message subtype
  * @return				return code
  */
-typedef TNC_Result (*tnccs_send_message_t)(tnccs_t* tncss,
+typedef TNC_Result (*tnccs_send_message_t)(tnccs_t* tnccs,
 										  TNC_IMCID imc_id,
 										  TNC_IMVID imv_id,
 										  TNC_UInt32 msg_flags,