diff --git a/synth.html b/synth.html
index 71bcb87..bd181aa 100644
--- a/synth.html
+++ b/synth.html
@@ -38,7 +38,7 @@
             <span id="detunevoice1display">0</span>
         </div>
         
-        <button id="activateVoice1" style="background-color: greenyellow;">Start</button>
+        <button id="activateVoice1" style="background-color: greenyellow;">On</button>
     </div>
     
     <div>
@@ -63,7 +63,7 @@
             </fieldset>
         </div>
         
-        <button id="activateVoice2" style="background-color: greenyellow;">Start</button>
+        <button id="activateVoice2" style="background-color: greenyellow;">On</button>
     </div>
     
     <div>
@@ -88,7 +88,7 @@
             </fieldset>
         </div>
         
-        <button id="activateVoice3" style="background-color: greenyellow;">Start</button>
+        <button id="activateVoice3" style="background-color: greenyellow;">On</button>
     </div>
     
     
diff --git a/synth.js b/synth.js
index 3cb92de..a1a82f8 100644
--- a/synth.js
+++ b/synth.js
@@ -25,7 +25,7 @@ class Synth {
     this.gain = this.audioContext.createGain();
     this.oscillators = [
       this.createOscillator("sawtooth", 440, 0),
-      this.createOscillator("sawtooth", 435, 0),
+      this.createOscillator("sawtooth", 440, 0),
       this.createOscillator("sawtooth", 440, 0),
     ];
     this.gain.connect(this.audioContext.destination);
@@ -152,11 +152,11 @@ window.onload = function () {
       let osc1 = synth.oscillators[0];
       if (osc1.isPlaying) {
         synth.stopOsc(osc1);
-        event.target.textContent = "Start";
+        event.target.textContent = "On";
         event.target.style.backgroundColor = "greenyellow";
       } else {
         synth.startOsc(osc1);
-        event.target.textContent = "Stop";
+        event.target.textContent = "Off";
         event.target.style.backgroundColor = "red";
       }
     });
@@ -169,11 +169,11 @@ window.onload = function () {
       let osc2 = synth.oscillators[1];
       if (osc2.isPlaying) {
         synth.stopOsc(osc2);
-        event.target.textContent = "Start";
+        event.target.textContent = "On";
         event.target.style.backgroundColor = "greenyellow";
       } else {
         synth.startOsc(osc2);
-        event.target.textContent = "Stop";
+        event.target.textContent = "Off";
         event.target.style.backgroundColor = "red";
       }
     });
@@ -186,11 +186,11 @@ window.onload = function () {
       let osc3 = synth.oscillators[2];
       if (osc3.isPlaying) {
         synth.stopOsc(osc3);
-        event.target.textContent = "Start";
+        event.target.textContent = "On";
         event.target.style.backgroundColor = "greenyellow";
       } else {
         synth.startOsc(osc3);
-        event.target.textContent = "Stop";
+        event.target.textContent = "Off";
         event.target.style.backgroundColor = "red";
       }
     });