diff --git a/examples/ReadNUID/ReadNUID.ino b/examples/ReadNUID/ReadNUID.ino
index b00005d..c5a6fe3 100644
--- a/examples/ReadNUID/ReadNUID.ino
+++ b/examples/ReadNUID/ReadNUID.ino
@@ -50,7 +50,7 @@ void loop() {
     if ( ! rfid.PICC_IsNewCardPresent())
         return;
 
-    // Lee tarjeta
+    // Verifica si el NUID ha sido leído
     if ( ! rfid.PICC_ReadCardSerial())
         return;