diff --git a/p2/stats/stats.go b/p2/stats/stats.go
index 8b1cd02..184a66e 100644
--- a/p2/stats/stats.go
+++ b/p2/stats/stats.go
@@ -29,8 +29,7 @@ func Autocorrelate(f []float64, maxShift float64) []float64 {
 			r += f[i] * f[i+currentShift]
 		}
 
-		// r = r * math.Pow(float64(fLen)-float64(currentShift), -1)
-		r *= float64(1 / (fLen - currentShift))
+		r *= 1 / float64(fLen-currentShift)
 
 		v = append(v, r)
 
@@ -53,7 +52,7 @@ func AutocorrelateMP(f []float64, maxShift float64) []float64 {
 			r += f[i] * f[i+currentShift]
 		}
 
-		r *= math.Pow(float64(fLen)-float64(currentShift), -1)
+		r *= math.Pow(float64(fLen-currentShift), -1)
 
 		v = append(v, r)