Merge pull request #17 from per1234/per1234-patch-1

Add missing digitalRead() parameters description

Author: agdl

Language/Functions/Digital IO/digitalRead.adoc

@@ -23,7 +23,7 @@ Reads the value from a specified digital pin, either `HIGH` or `LOW`.
 
 [float]
 === Parameters
-
+`pin`: the number of the digital pin you want to read
 
 [float]
 === Returns