all: gofmt

Gofmt to update doc comments to the new formatting.

For golang/go#51082.

Change-Id: Ie45b11898b01babdfc9f23fd1fd8aefd367b98c6
Reviewed-on: https://go-review.googlesource.com/c/playground/+/399601
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Russ Cox <rsc@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
diff --git a/play.go b/play.go
index e160220..d07c22f 100644
--- a/play.go
+++ b/play.go
@@ -30,10 +30,10 @@
 // occurring at the same time as the preceding event.
 //
 // A playback header has this structure:
-// 	4 bytes: "\x00\x00PB", a magic header
-// 	8 bytes: big-endian int64, unix time in nanoseconds
-// 	4 bytes: big-endian int32, length of the next write
 //
+//	4 bytes: "\x00\x00PB", a magic header
+//	8 bytes: big-endian int64, unix time in nanoseconds
+//	4 bytes: big-endian int32, length of the next write
 type Recorder struct {
 	stdout, stderr recorderWriter
 }
diff --git a/sandbox/metrics.go b/sandbox/metrics.go
index 7fb213e..849bcce 100644
--- a/sandbox/metrics.go
+++ b/sandbox/metrics.go
@@ -55,8 +55,8 @@
 )
 
 // Customizations of ochttp views. Views are updated as follows:
-//  * The views are prefixed with go-playground-sandbox.
-//  * ochttp.KeyServerRoute is added as a tag to label metrics per-route.
+//   - The views are prefixed with go-playground-sandbox.
+//   - ochttp.KeyServerRoute is added as a tag to label metrics per-route.
 var (
 	ServerRequestCountView = &view.View{
 		Name:        "go-playground-sandbox/http/server/request_count",