diff --git a/decor/moving-average.go b/decor/moving-average.go
deleted file mode 100644
index 933b1f2..0000000
--- a/decor/moving-average.go
+++ /dev/null
@@ -1,40 +0,0 @@
-package decor
-
-import (
-	"sort"
-
-	"github.com/VividCortex/ewma"
-)
-
-// MovingAverage is the interface that computes a moving average over
-// a time-series stream of numbers. The average may be over a window
-// or exponentially decaying.
-type MovingAverage = ewma.MovingAverage
-
-type medianWindow [3]float64
-
-func (s *medianWindow) Len() int           { return len(s) }
-func (s *medianWindow) Swap(i, j int)      { s[i], s[j] = s[j], s[i] }
-func (s *medianWindow) Less(i, j int) bool { return s[i] < s[j] }
-
-func (s *medianWindow) Add(value float64) {
-	s[0], s[1] = s[1], s[2]
-	s[2] = value
-}
-
-func (s *medianWindow) Value() float64 {
-	tmp := *s
-	sort.Sort(&tmp)
-	return tmp[1]
-}
-
-func (s *medianWindow) Set(value float64) {
-	for i := 0; i < len(s); i++ {
-		s[i] = value
-	}
-}
-
-// NewMedian is fixed last 3 samples median MovingAverage.
-func NewMedian() MovingAverage {
-	return new(medianWindow)
-}
diff --git a/decor/moving_average.go b/decor/moving_average.go
new file mode 100644
index 0000000..933b1f2
--- /dev/null
+++ b/decor/moving_average.go
@@ -0,0 +1,40 @@
+package decor
+
+import (
+	"sort"
+
+	"github.com/VividCortex/ewma"
+)
+
+// MovingAverage is the interface that computes a moving average over
+// a time-series stream of numbers. The average may be over a window
+// or exponentially decaying.
+type MovingAverage = ewma.MovingAverage
+
+type medianWindow [3]float64
+
+func (s *medianWindow) Len() int           { return len(s) }
+func (s *medianWindow) Swap(i, j int)      { s[i], s[j] = s[j], s[i] }
+func (s *medianWindow) Less(i, j int) bool { return s[i] < s[j] }
+
+func (s *medianWindow) Add(value float64) {
+	s[0], s[1] = s[1], s[2]
+	s[2] = value
+}
+
+func (s *medianWindow) Value() float64 {
+	tmp := *s
+	sort.Sort(&tmp)
+	return tmp[1]
+}
+
+func (s *medianWindow) Set(value float64) {
+	for i := 0; i < len(s); i++ {
+		s[i] = value
+	}
+}
+
+// NewMedian is fixed last 3 samples median MovingAverage.
+func NewMedian() MovingAverage {
+	return new(medianWindow)
+}