Correct indentation for doc.go in sphero package

platforms/sphero/doc.go

@@ -4,42 +4,42 @@ This package provides the Gobot adaptor and driver for the Sphero (http://www.go
 
 Installing:
 
-		go get github.com/hybridgroup/gobot && go install github.com/hybridgroup/gobot/platforms/sphero
+	go get github.com/hybridgroup/gobot && go install github.com/hybridgroup/gobot/platforms/sphero
 
 Example:
 
-		package main
+	package main
 
-		import (
-			"fmt"
-			"time"
+	import (
+		"fmt"
+		"time"
 
-			"github.com/hybridgroup/gobot"
-			"github.com/hybridgroup/gobot/platforms/sphero"
+		"github.com/hybridgroup/gobot"
+		"github.com/hybridgroup/gobot/platforms/sphero"
+	)
+
+	func main() {
+		gbot := gobot.NewGobot()
+
+		adaptor := sphero.NewSpheroAdaptor("sphero", "/dev/rfcomm0")
+		driver := sphero.NewSpheroDriver(adaptor, "sphero")
+
+		work := func() {
+			gobot.Every(3*time.Second, func() {
+				driver.Roll(30, uint16(gobot.Rand(360)))
+			})
+		}
+
+		robot := gobot.NewRobot("sphero",
+			[]gobot.Connection{adaptor},
+			[]gobot.Device{driver},
+			work,
 		)
 
-		func main() {
-			gbot := gobot.NewGobot()
+		gbot.AddRobot(robot)
 
-			adaptor := sphero.NewSpheroAdaptor("sphero", "/dev/rfcomm0")
-			driver := sphero.NewSpheroDriver(adaptor, "sphero")
-
-			work := func() {
-				gobot.Every(3*time.Second, func() {
-					driver.Roll(30, uint16(gobot.Rand(360)))
-				})
-			}
-
-			robot := gobot.NewRobot("sphero",
-				[]gobot.Connection{adaptor},
-				[]gobot.Device{driver},
-				work,
-			)
-
-			gbot.AddRobot(robot)
-
-			gbot.Start()
-		}
+		gbot.Start()
+	}
 
 For futher information refer to sphero readme:
 https://github.com/hybridgroup/gobot/blob/master/platforms/sphero/README.md