Update bit.adoc with allowed range of n

bit(n) with n > 31 do not return reasonable values. This should be mentioned

Author: BloodyNewbie

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. 0 <= n < 32 (as it is intended to reflect the bits up to 31 of a uint32)
 
 
 [float]