diff --git a/src/display.cpp b/src/display.cpp
index aac01051..26fb3321 100644
--- a/src/display.cpp
+++ b/src/display.cpp
@@ -53,7 +53,6 @@ BB_SPI_LCD *dp = NULL;
 #endif
 #endif
 
-
 #define DISPLAY_PAGE_PAX_PARAM_OVERVIEW 0
 #define DISPLAY_PAGE_PAX_LORAWAN_PARAM  1
 #define DISPLAY_PAGE_PAX_GPS_LAT_LONG   2
@@ -63,11 +62,6 @@ BB_SPI_LCD *dp = NULL;
 #define DISPLAY_PAGE_PAX_GRAPH          6
 #define DISPLAY_PAGE_BLANK_SCREEN       7
 
-
-
-
-
-
 void dp_setup(int contrast) {
 #if (HAS_DISPLAY) == 1 // I2C OLED
 
diff --git a/src/main.cpp b/src/main.cpp
index c6b65945..c2b58964 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -84,8 +84,13 @@ char clientId[20] = {0}; // unique ClientID
 void setup() {
   char features[100] = "";
 
-  // Reduce power consumption
-  setCpuFrequencyMhz(80);
+  // Reduce power consumption (optional)
+  // This reduces the power consumption with about 50 mWatt.
+  // Typically it uses 660 mWatt when the CPU frequency is set to 80 MHz.
+  // When left running at 240 mHz, the power consumption is about 710 - 730 mWatt.
+  // Higher CPU speed may be preferred for wifi & ble sniffing.
+  //
+  // setCpuFrequencyMhz(80);
 
   // disable brownout detection
 #ifdef DISABLE_BROWNOUT