Updated readme

Signed-off-by: Vishal Rana <vr@labstack.com>

gytes/README.md

@@ -33,11 +33,21 @@ fmt.Println(gytes.Format(1323))
 
 ### New intance
 
+#### Decimal prefix 
+
 ```go
 g := New()
-// g.BinaryPrefix(true)
 fmt.Println(g.Format(13231323))
 ```
 
 `13.23 MB`
 
+#### Binary prefix
+
+```go
+g := New()
+g.BinaryPrefix(true)
+fmt.Println(g.Format(13231323))
+```
+
+`12.62 MiB`

gytes/gytes_test.go

@@ -39,6 +39,7 @@ func TestNew(t *testing.T) {
 
 	// Binary prefix
 	g.BinaryPrefix(true)
+	println(g.Format(13231323))
 	b = Format(1323132313231323)
 	if b != "1.18 PiB" {
 		t.Errorf("expected `1.18 PiB`, got %s", b)