diff --git a/src/main.cpp b/src/main.cpp
index f45e536..e25a972 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -5,9 +5,7 @@
 #include <Adafruit_GFX.h>
 #include <Adafruit_SSD1306.h>
 
-// =========================
 // LoRa pins - LilyGO T3S3 SX1262
-// =========================
 static const int PIN_LORA_SCK  = 5;
 static const int PIN_LORA_MISO = 3;
 static const int PIN_LORA_MOSI = 6;
@@ -16,24 +14,17 @@ static const int PIN_LORA_RST  = 8;
 static const int PIN_LORA_DIO1 = 33;
 static const int PIN_LORA_BUSY = 34;
 
-// =========================
 // Button - LilyGO T3S3
-// BOOT button usually GPIO0, active low
-// =========================
 static const int PIN_BUTTON = 0;
 
-// =========================
 // OLED pins - LilyGO T3S3 OLED
-// =========================
 static const int OLED_SDA = 18;
 static const int OLED_SCL = 17;
 static const int OLED_ADDR = 0x3C;
 static const int SCREEN_WIDTH = 128;
 static const int SCREEN_HEIGHT = 64;
 
-// =========================
 // ACTIVE PROFILE - Shelly / custom LoRa
-// =========================
 static const float LORA_FREQ_MHZ      = 865.000;
 static const float LORA_BW_KHZ        = 125.0;
 static const uint8_t LORA_SF          = 12;
@@ -46,22 +37,16 @@ static const bool LORA_USE_LDO        = false;
 static const bool LORA_USE_CRC        = false;
 static const bool LORA_EXPLICIT_HDR   = true;
 
-// =========================
 // Protocol
-// =========================
 static const String DEVICE_ID = "MG64738";
 static const String CMD_ON    = "ON";
 static const String CMD_OFF   = "OF";
 
-// =========================
 // Objects
-// =========================
 Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
 SX1262 radio = new Module(PIN_LORA_CS, PIN_LORA_DIO1, PIN_LORA_RST, PIN_LORA_BUSY);
 
-// =========================
 // Runtime state
-// =========================
 bool outputState = true;       // start with ON
 bool lastButtonState = HIGH;
 unsigned long lastDebounceMs = 0;
@@ -70,9 +55,7 @@ int lastTxState = 0;
 
 static const unsigned long DEBOUNCE_MS = 60;
 
-// =========================
 // Helpers
-// =========================
 String formatCR(uint8_t cr) {
   return "4/" + String(cr);
 }