Merge pull request arduino#910 from BloodyNewbie/patch-1

Update bit.adoc with allowed range of n

Author: karlsoderby

Language/Functions/Bits and Bytes/bit.adoc

@@ -28,7 +28,7 @@ Computes the value of the specified bit (bit 0 is 1, bit 1 is 2, bit 2 is 4, etc
 
 [float]
 === Parameters
-`n`: the bit whose value to compute
+`n`: the bit whose value to compute. Note that `n` needs to be between 0-31 (32 bit). 
 
 
 [float]