diff --git a/src/main.cpp b/src/main.cpp
index 1e80c72..53b592c 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -111,21 +111,26 @@ void setup() {
   yield();
 
   ArduinoOTA.onStart([]() {
+      Serial.print("\n\nOTA Update\n");
       display.clear();
       display.loop();
   });
-  ArduinoOTA.onProgress([](unsigned int total, unsigned int progress) {
+  ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
       double ratio = (double) progress / (double) total;
+      Serial.printf("\r%3.0f%%", ratio * 100);
+
       auto index = (uint16_t) round(ratio * (double) display.pixelCount);
       auto color = (uint8_t) round(ratio * 255.0);
       display.setIndex(index, 255 - color, color, 0);
       display.loop();
   });
   ArduinoOTA.onEnd([]() {
+      Serial.println("\nOTA Success!\n");
       display.clear();
       display.loop();
   });
   ArduinoOTA.onError([](int error) {
+      Serial.println("\nOTA Failure!\n");
       display.clear();
       display.loop();
   });