diff --git a/lib/led_ws2812b.h b/lib/led_ws2812b.h
index 67426c1..ada608d 100644
--- a/lib/led_ws2812b.h
+++ b/lib/led_ws2812b.h
@@ -10,13 +10,14 @@
 /** number of LEDs on the WS2812B strip */
 #define LED_WS2812B_LEDS 48
 
-/** setup WS2812B LED driver */
+/** setup WS2812B LED driver
+ *  @note this starts the continuous transmission
+ */
 void led_ws2812b_setup(void);
 /** set color of a single LED
  *  @param[in] led the LED number to set the color
  *  @param[in] red the red color value to set on the LED
  *  @param[in] green the green color value to set on the LED
  *  @param[in] blue the blue color value to set on the LED
- *  @note transmission needs to be done separately
  */
 void led_ws2812b_set_rgb(uint16_t led, uint8_t red, uint8_t green, uint8_t blue);