X-Git-Url: http://nitlanguage.org

diff --git a/lib/gpio.nit b/lib/gpio.nit
index 820f608..cea53cb 100644
--- a/lib/gpio.nit
+++ b/lib/gpio.nit
@@ -17,6 +17,8 @@
 # GPIO related functionnalities
 module gpio
 
+# A physical binary pin
 interface Pin
+	# Set the output of this pin
 	fun write(high: Bool) is abstract
 end