diff --git a/epicardium/epicardium.h b/epicardium/epicardium.h
index 8d6f35e1d350da8ef991d9b4a391e603205debf1..71a76d22bda396322e3b0f1278431ebe5dccbdbb 100644
--- a/epicardium/epicardium.h
+++ b/epicardium/epicardium.h
@@ -52,7 +52,7 @@ API(API_UART_READ, char epic_uart_read_chr(void));
 /**
  * Set one of card10's RGB LEDs to a certain color.
  *
- * :param led:  Which led to set.  0-10 are the leds on the top and 11-14 are the 4 "light_sensor" leds.
+ * :param led:  Which led to set.  0-10 are the leds on the top and 11-14 are the 4 "ambient" leds.
  * :param r:  Red component of the color.
  * :param g:  Green component of the color.
  * :param b:  Blue component of the color.