diff --git a/main.c b/main.c
index c5b58f0..d89f2ba 100644
--- a/main.c
+++ b/main.c
@@ -12,7 +12,7 @@
 
 int main(void)
 {
-    /* init I2C-Bus */
+    /* init I2C-Bus, for settings look at i2c.h */
     i2c_init();
     /* init display, after init turn on */
     lcd_init(LCD_DISP_ON);