diff --git a/examples/firmware_check/firmware_check.ino b/examples/firmware_check/firmware_check.ino
index b774ffd..b923074 100644
--- a/examples/firmware_check/firmware_check.ino
+++ b/examples/firmware_check/firmware_check.ino
@@ -1,4 +1,6 @@
 /*
+ * ----------------------------------------------------------------------------
+ * Example sketch/program to test your firmware.
  * ----------------------------------------------------------------------------
  * This is a MFRC522 library example; see https://github.com/miguelbalboa/rfid
  * for further details and other examples.
@@ -7,8 +9,6 @@
  * documented in MFRC522.cpp. Please read it.
  * 
  * Released into the public domain.
- * ----------------------------------------------------------------------------
- * Example sketch/program showing how to test your firmware.
  * 
  * Typical pin layout used:
  * -----------------------------------------------------------------------------------------
@@ -21,6 +21,8 @@
  * SPI MOSI    MOSI         11 / ICSP-4   51        D11        ICSP-4           16
  * SPI MISO    MISO         12 / ICSP-1   50        D12        ICSP-1           14
  * SPI SCK     SCK          13 / ICSP-3   52        D13        ICSP-3           15
+ *
+ * @author Rotzbua
  */
 
 #include <SPI.h>
@@ -40,7 +42,7 @@ void setup() {
   Serial.println(F("*****************************"));
   Serial.println(F("MFRC522 Digital self test"));
   Serial.println(F("*****************************"));
-  ShowReaderDetails();  // Show details of PCD - MFRC522 Card Reader details
+  ShowReaderVersion();  // Show version of PCD - MFRC522 Card Reader
   Serial.println(F("Performing test..."));
   bool result = mfrc522.PCD_PerformSelfTest();
   Serial.println(F("-----------------------------"));
@@ -48,7 +50,7 @@ void setup() {
   if (result)
     Serial.println(F("OK"));
   else
-    Serial.println(F("defect or unknown"));
+    Serial.println(F("DEFECT or UNKNOWN"));
   Serial.println();
 }
 
@@ -57,12 +59,14 @@ void loop() {} // nothing to do
 /**
 * Helper to print MFRC522 module info
 */
-void ShowReaderDetails() {
+void ShowReaderVersion() {
   // Get the MFRC522 firmware version
   byte v = mfrc522.PCD_ReadRegister(mfrc522.VersionReg);
   Serial.print(F("Firmware Version: 0x"));
   Serial.print(v, HEX);
-  if (v == 0x90)
+  if (v == 0x88)
+    Serial.print(F(" = (clone)"));
+  else if (v == 0x90)
     Serial.print(F(" = v0.0"));
   else if (v == 0x91)
     Serial.print(F(" = v1.0"));