📝 kHz => KHz

Marlin/Configuration_adv.h

@@ -561,7 +561,7 @@
  * FAST_PWM_FAN_FREQUENCY
  *   Set this to your desired frequency.
  *   For AVR, if left undefined this defaults to F = F_CPU/(2*255*1)
- *            i.e., F = 31.4kHz on 16MHz microcontrollers or F = 39.2kHz on 20MHz microcontrollers.
+ *            i.e., F = 31.4KHz on 16MHz microcontrollers or F = 39.2KHz on 20MHz microcontrollers.
  *   For non AVR, if left undefined this defaults to F = 1Khz.
  *   This F value is only to protect the hardware from an absence of configuration
  *   and not to complete it when users are not aware that the frequency must be specifically set to support the target board.
@@ -1179,7 +1179,7 @@
 
 /**
  * Adaptive Step Smoothing increases the resolution of multi-axis moves, particularly at step frequencies
- * below 1kHz (for AVR) or 10kHz (for ARM), where aliasing between axes in multi-axis moves causes audible
+ * below 1KHz (for AVR) or 10KHz (for ARM), where aliasing between axes in multi-axis moves causes audible
  * vibration and surface artifacts. The algorithm adapts to provide the best possible step smoothing at the
  * lowest stepping frequencies.
  */
@@ -3419,14 +3419,14 @@
 
   /**
    * PHOTO_PULSES_US may need adjustment depending on board and camera model.
-   * Pin must be running at 48.4kHz.
+   * Pin must be running at 48.4KHz.
    * Be sure to use a PHOTOGRAPH_PIN which can rise and fall quick enough.
    * (e.g., MKS SBase temp sensor pin was too slow, so used P1.23 on J8.)
    *
    *  Example pulse data for Nikon: https://bit.ly/2FKD0Aq
    *                     IR Wiring: https://git.io/JvJf7
    */
-  //#define PHOTO_PULSES_US { 2000, 27850, 400, 1580, 400, 3580, 400 }  // (µs) Durations for each 48.4kHz oscillation
+  //#define PHOTO_PULSES_US { 2000, 27850, 400, 1580, 400, 3580, 400 }  // (µs) Durations for each 48.4KHz oscillation
   #ifdef PHOTO_PULSES_US
     #define PHOTO_PULSE_DELAY_US 13 // (µs) Approximate duration of each HIGH and LOW pulse in the oscillation
   #endif