diff --git a/PMS5003_Air_Quality_Sensor/PMS5003_Arduino/PMS5003_Arduino.ino b/PMS5003_Air_Quality_Sensor/PMS5003_Arduino/PMS5003_Arduino.ino
index 60b4b78e..da8ac8f3 100644
--- a/PMS5003_Air_Quality_Sensor/PMS5003_Arduino/PMS5003_Arduino.ino
+++ b/PMS5003_Air_Quality_Sensor/PMS5003_Arduino/PMS5003_Arduino.ino
@@ -47,7 +47,7 @@ void loop() {
     Serial.print("Particles > 1.0um / 0.1L air:"); Serial.println(data.particles_10um);
     Serial.print("Particles > 2.5um / 0.1L air:"); Serial.println(data.particles_25um);
     Serial.print("Particles > 5.0um / 0.1L air:"); Serial.println(data.particles_50um);
-    Serial.print("Particles > 50 um / 0.1L air:"); Serial.println(data.particles_100um);
+    Serial.print("Particles > 10.0 um / 0.1L air:"); Serial.println(data.particles_100um);
     Serial.println("---------------------------------------");
   }
 }