Clarify that we actually have max 16 total backlight levels

docs/config_options.md

@@ -69,7 +69,7 @@ This is a C header file that is one of the first things included, and will persi
 * `#define BACKLIGHT_PIN B7`
   * pin of the backlight - B5, B6, B7 use PWM, others use softPWM
 * `#define BACKLIGHT_LEVELS 3`
-  * number of levels your backlight will have (not including off)
+  * number of levels your backlight will have (maximum 15 excluding off)
 * `#define BACKLIGHT_BREATHING`
   * enables backlight breathing (only works with backlight pins B5, B6 and B7)
 * `#define BREATHING_PERIOD 6`

docs/feature_backlight.md

@@ -21,7 +21,7 @@ Note that for backlight breathing, you need to have `#define BACKLIGHT_BREATHING
 ## Configuration Options in `config.h`
 
 * `BACKLIGHT_PIN B7` defines the pin that controlls the LEDs. Unless you design your own keyboard, you don't need to set this.
-* `BACKLIGHT_LEVELS 3` defines the number of brightness levels (excluding OFF).
+* `BACKLIGHT_LEVELS 3` defines the number of brightness levels (maximum 15 excluding off).
 * `BACKLIGHT_BREATHING` if defined, enables backlight breathing. Note that this is only available if `BACKLIGHT_PIN` is B5, B6 or B7.
 * `BREATHING_PERIOD 6` defines the length of one backlight "breath" in seconds.