diff --git a/examples/04.Shields/Buzzer_Shield/Do_Re_Mi/Do_Re_Mi.ino b/examples/04.Shields/Buzzer_Shield/Do_Re_Mi/Do_Re_Mi.ino
index e76525f..b58920b 100644
--- a/examples/04.Shields/Buzzer_Shield/Do_Re_Mi/Do_Re_Mi.ino
+++ b/examples/04.Shields/Buzzer_Shield/Do_Re_Mi/Do_Re_Mi.ino
@@ -13,7 +13,7 @@ void setup() {
 
 void loop() {
   for(int i=0; i<8; i++){
-    analogWriteRange(freq[i]);
+    analogWriteFreq(freq[i]);
     Serial.print("Note name: ");
     Serial.print(note[i]);
     Serial.print(", Freq: ");
@@ -30,4 +30,4 @@ void loop() {
   Serial.println("STOP");
   delay(5000);
 
-}
\ No newline at end of file
+}