diff --git a/lib/led_ws2812b.c b/lib/led_ws2812b.c
index c43ecb1..4e25e64 100644
--- a/lib/led_ws2812b.c
+++ b/lib/led_ws2812b.c
@@ -12,10 +12,10 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
-/** library to drive a WS2812B LED chain (code)
- *  @file led_ws2812b.c
+/** library to drive a WS2812B LED chain
+ *  @file
  *  @author King Kévin <kingkevin@cuvoodoo.info>
- *  @date 2016-2017
+ *  @date 2016-2020
  *  @note peripherals used: SPI @ref led_ws2812b_spi, timer @ref led_ws2812b_timer, DMA (for SPI MISO)
  */
 
@@ -59,13 +59,13 @@
  */
 #define LED_WS2812B_SPI_TEMPLATE 0x924924
 
-uint8_t led_ws2812b_data[LED_WS2812B_LEDS*3*3+40*3/8+1] = {0};  /**< data encoded to be shifted out by SPI for the WS2812B, plus the 50us reset (~40 data bits) */
+uint8_t led_ws2812b_data[LED_WS2812B_LEDS * 3 * 3 + 40 * 3 / 8 + 1] = {0};  /**< data encoded to be shifted out by SPI for the WS2812B, plus the 50us reset (~40 data bits) */
 static volatile bool transmit_flag = false; /**< flag set in software when transmission started, clear by interrupt when transmission completed */
 
 void led_ws2812b_set_rgb(uint16_t led, uint8_t red, uint8_t green, uint8_t blue)
 {
 	// verify the led exists
-	if (led>=LED_WS2812B_LEDS) {
+	if (led >= LED_WS2812B_LEDS) {
 		return;
 	}
 	// wait for transmission to complete before changing the color
@@ -75,14 +75,14 @@ void led_ws2812b_set_rgb(uint16_t led, uint8_t red, uint8_t green, uint8_t blue)
 
 	const uint8_t colors[] = {green, red, blue}; // color order for the WS2812B
 	const uint8_t pattern_bit[] = {0x02, 0x10, 0x80, 0x04, 0x20, 0x01, 0x08, 0x40}; // which bit to change in the pattern
-	const uint8_t pattern_byte[] = {2,2,2,1,1,0,0,0}; // in which byte in the pattern to write the pattern bit
-	for (uint8_t color=0; color<LENGTH(colors); color++) { // colors are encoded similarly
+	const uint8_t pattern_byte[] = {2, 2, 2, 1, 1, 0, 0, 0}; // in which byte in the pattern to write the pattern bit
+	for (uint8_t color = 0; color < LENGTH(colors); color++) { // colors are encoded similarly
 		// fill the middle bit (fixed is faster than calculating it)
-		for (uint8_t bit=0; bit<8; bit++) { // bit from the color to set/clear
-			if (colors[color]&(1<<bit)) { // setting bit
-				led_ws2812b_data[led*3*3+color*3+pattern_byte[bit]] |= pattern_bit[bit]; // setting bit is pattern
+		for (uint8_t bit = 0; bit < 8; bit++) { // bit from the color to set/clear
+			if (colors[color] & (1 << bit)) { // setting bit
+				led_ws2812b_data[led * 3 * 3 + color * 3 + pattern_byte[bit]] |= pattern_bit[bit]; // setting bit is pattern
 			} else { // clear bit
-				led_ws2812b_data[led*3*3+color*3+pattern_byte[bit]] &= ~pattern_bit[bit]; // clearing bit is pattern
+				led_ws2812b_data[led * 3 * 3 + color * 3 + pattern_byte[bit]] &= ~pattern_bit[bit]; // clearing bit is pattern
 			}
 		}
 	}
@@ -154,13 +154,13 @@ void led_ws2812b_setup(void)
 	nvic_enable_irq(DMA_IRQ_SPI_TX(LED_WS2812B_SPI)); // enable interrupts for this DMA channel
 
 	// fill buffer with bit pattern
-	for (uint16_t i=0; i<LED_WS2812B_LEDS*3; i++) {
-		led_ws2812b_data[i*3+0] = (uint8_t)(LED_WS2812B_SPI_TEMPLATE>>16);
-		led_ws2812b_data[i*3+1] = (uint8_t)(LED_WS2812B_SPI_TEMPLATE>>8);
-		led_ws2812b_data[i*3+2] = (uint8_t)(LED_WS2812B_SPI_TEMPLATE>>0);
+	for (uint16_t i = 0; i < LED_WS2812B_LEDS * 3; i++) {
+		led_ws2812b_data[i * 3 + 0] = (uint8_t)(LED_WS2812B_SPI_TEMPLATE >> 16);
+		led_ws2812b_data[i * 3 + 1] = (uint8_t)(LED_WS2812B_SPI_TEMPLATE >> 8);
+		led_ws2812b_data[i * 3 + 2] = (uint8_t)(LED_WS2812B_SPI_TEMPLATE >> 0);
 	}
 	// fill remaining with with 0 to encode the reset code
-	for (uint16_t i=LED_WS2812B_LEDS*3*3; i<LENGTH(led_ws2812b_data); i++) {
+	for (uint16_t i = LED_WS2812B_LEDS * 3 * 3; i < LENGTH(led_ws2812b_data); i++) {
 		led_ws2812b_data[i] = 0;
 	}
 	led_ws2812b_transmit(); // set LEDs
diff --git a/lib/led_ws2812b.h b/lib/led_ws2812b.h
index 1e873e1..9a5901e 100644
--- a/lib/led_ws2812b.h
+++ b/lib/led_ws2812b.h
@@ -12,10 +12,10 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
-/** library to drive a WS2812B LED chain (API)
- *  @file led_ws2812b.h
+/** library to drive a WS2812B LED chain
+ *  @file
  *  @author King Kévin <kingkevin@cuvoodoo.info>
- *  @date 2016-2017
+ *  @date 2016-2020
  *  @note peripherals used: SPI @ref led_ws2812b_spi, timer @ref led_ws2812b_timer, DMA (for SPI MISO)
  */
 #pragma once