Update samples/tone_doremi/src/app.cpp

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: soburi

samples/tone_doremi/src/app.cpp

@@ -25,7 +25,7 @@ void loop() {
   delay(1000);
   tone(D4, NOTE_D4, 1000);
   delay(1000);
-  tone(D4, NOTE_E4, 0); // inifinity
+  tone(D4, NOTE_E4, 0); // infinity
   delay(1000);
   tone(D5, NOTE_F4, 1000);
   delay(1000);