diff --git a/C/Sketches/Sketch_02.1_SerialToSerialBT/Sketch_02.1_SerialToSerialBT.ino b/C/Sketches/Sketch_02.1_SerialToSerialBT/Sketch_02.1_SerialToSerialBT.ino
index 9d48066..827e3ee 100644
--- a/C/Sketches/Sketch_02.1_SerialToSerialBT/Sketch_02.1_SerialToSerialBT.ino
+++ b/C/Sketches/Sketch_02.1_SerialToSerialBT/Sketch_02.1_SerialToSerialBT.ino
@@ -12,7 +12,6 @@ void setup() {
   Serial.begin(115200);
   SerialBT.begin("ESP32test"); //Bluetooth device name
   Serial.println("\nThe device started, now you can pair it with bluetooth!");
-  Serial.println("Hello!");
 }
 
 void loop() {
diff --git a/C/Sketches/Sketch_06.1_CameraWebServer/Sketch_06.1_CameraWebServer.ino b/C/Sketches/Sketch_06.1_CameraWebServer/Sketch_06.1_CameraWebServer.ino
index 3c0c3c0..994d90c 100644
--- a/C/Sketches/Sketch_06.1_CameraWebServer/Sketch_06.1_CameraWebServer.ino
+++ b/C/Sketches/Sketch_06.1_CameraWebServer/Sketch_06.1_CameraWebServer.ino
@@ -34,14 +34,14 @@ const char *password_Router = "********";  //input your wifi passwords
 camera_config_t config;
 
 void startCameraServer();
-void config_init();
+void camera_init();
 
 void setup() {
   Serial.begin(115200);
   Serial.setDebugOutput(true);
   Serial.println();
 
-  config_init();
+  camera_init();
 
   // camera init
   esp_err_t err = esp_camera_init(&config);
@@ -76,7 +76,7 @@ void loop() {
   ;
 }
 
-void config_init() {
+void camera_init() {
   config.ledc_channel = LEDC_CHANNEL_0;
   config.ledc_timer = LEDC_TIMER_0;
   config.pin_d0 = Y2_GPIO_NUM;