API.md

@@ -7,7 +7,7 @@ digital-direction.lisp - Set direction and pullup/down mode of a pin. Example:
 (seesaw:digital-direction 'PA10 'InputPullUp)
 </pre>
 
-digital-read-p.lisp - Reads a bit from GPIO.  Note, you should set the pin direction to input, before reading.  Example:
+digital-read-p.lisp - Reads a bit from GPIO returning a T or NIL.  Note, you should set the pin direction to input, before reading.  Example:
 <pre>
 (seesaw:digital-read-p 'PA10)
 </pre>