diff --git a/src/main/io/serial_cli.c b/src/main/io/serial_cli.c
index cd6f0f692..23f71a881 100644
--- a/src/main/io/serial_cli.c
+++ b/src/main/io/serial_cli.c
@@ -862,7 +862,7 @@ static void cliExit(char *cmdline)
     *cliBuffer = '\0';
     bufferIndex = 0;
     cliMode = 0;
-    // incase some idiot leaves a motor running during motortest, clear it here
+    // incase a motor was left running during motortest, clear it here
     mixerResetMotors();
     // save and reboot... I think this makes the most sense - otherwise config changes can be out of sync, maybe just need to applyConfig and return?
 #if 1
diff --git a/src/main/io/serial_msp.c b/src/main/io/serial_msp.c
index 9ffed4906..7b06d90f1 100755
--- a/src/main/io/serial_msp.c
+++ b/src/main/io/serial_msp.c
@@ -709,9 +709,7 @@ static bool processOutCommand(uint8_t cmdMSP)
         serialize16(0);
 #endif
         serialize16(sensors(SENSOR_ACC) | sensors(SENSOR_BARO) << 1 | sensors(SENSOR_MAG) << 2 | sensors(SENSOR_GPS) << 3 | sensors(SENSOR_SONAR) << 4);
-        // OK, so you waste all the fucking time to have BOXNAMES and BOXINDEXES etc, and then you go ahead and serialize enabled shit simply by stuffing all
-        // the bits in order, instead of setting the enabled bits based on BOXINDEX. WHERE IS THE FUCKING LOGIC IN THIS, FUCKWADS.
-        // Serialize the boxes in the order we delivered them, until multiwii retards fix their shit
+        // ??
         junk = 0;
         tmp = IS_ENABLED(FLIGHT_MODE(ANGLE_MODE)) << BOXANGLE |
             IS_ENABLED(FLIGHT_MODE(HORIZON_MODE)) << BOXHORIZON |
diff --git a/src/main/sensors/gyro.c b/src/main/sensors/gyro.c
index 748cd26c3..2ca392eed 100644
--- a/src/main/sensors/gyro.c
+++ b/src/main/sensors/gyro.c
@@ -87,7 +87,7 @@ static void performAcclerationCalibration(uint8_t gyroMovementCalibrationThresho
 
         if (isOnFinalGyroCalibrationCycle()) {
             float dev = devStandardDeviation(&var[axis]);
-            // check deviation and startover if idiot was moving the model
+            // check deviation and startover in case the model was moved
             if (gyroMovementCalibrationThreshold && dev > gyroMovementCalibrationThreshold) {
                 gyroSetCalibrationCycles(CALIBRATING_GYRO_CYCLES);
                 return;
diff --git a/src/main/sensors/initialisation.c b/src/main/sensors/initialisation.c
index abdf0fabd..11bd5d7a8 100755
--- a/src/main/sensors/initialisation.c
+++ b/src/main/sensors/initialisation.c
@@ -312,10 +312,10 @@ retry:
             ; // prevent compiler error
     }
 
-    // Found anything? Check if user fucked up or ACC is really missing.
+    // Found anything? Check if error or ACC is really missing.
     if (accHardware == ACC_DEFAULT) {
         if (accHardwareToUse > ACC_DEFAULT) {
-            // Nothing was found and we have a forced sensor type. Stupid user probably chose a sensor that isn't present.
+            // Nothing was found and we have a forced sensor that isn't present.
             accHardwareToUse = ACC_DEFAULT;
             goto retry;
         } else {
diff --git a/src/main/telemetry/frsky.c b/src/main/telemetry/frsky.c
index fb44aa22f..04ffdbafb 100644
--- a/src/main/telemetry/frsky.c
+++ b/src/main/telemetry/frsky.c
@@ -320,7 +320,7 @@ static void sendVoltage(void)
     uint16_t payload;
 
     /*
-     * Note: Fuck the pdf. Format for Voltage Data for single cells is like this:
+     * Format for Voltage Data for single cells is like this:
      *
      *  llll llll cccc hhhh
      *  l: Low voltage bits