Fix log message

bbloom.go

@@ -61,7 +61,7 @@ func New(params ...float64) (bloomfilter Bloom) {
 			entries, locs = uint64(params[0]), uint64(params[1])
 		}
 	} else {
-		log.Fatal("usage: New(float64(number_of_entries), float64(number_of_hashlocations)) i.e. New(float64(1000), float64(3)) or New(float64(number_of_entries), float64(number_of_hashlocations)) i.e. New(float64(1000), float64(0.03))")
+		log.Fatal("usage: New(float64(number_of_entries), float64(number_of_hashlocations)) i.e. New(float64(1000), float64(3)) or New(float64(number_of_entries), float64(ratio_of_false_positives)) i.e. New(float64(1000), float64(0.03))")
 	}
 	size, exponent := getSize(uint64(entries))
 	bloomfilter = Bloom{