fix comments in soc package (#838)

pkg/soc/export_test.go

+// Copyright 2020 The Swarm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package soc
 
 var (

pkg/soc/soc.go

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// Package swarm contains most basic and general Swarm concepts.
 package soc
 
 import (

pkg/soc/soc_test.go

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// Package swarm contains most basic and general Swarm concepts.
 package soc_test
 
 import (

pkg/soc/validator.go

 // Copyright 2020 The Swarm Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
+
 package soc
 
 import (
@@ -9,7 +10,7 @@ import (
 
 var _ swarm.Validator = (*Validator)(nil)
 
-// SocVaildator validates that the address of a given chunk
+// Validator validates that the address of a given chunk
 // is a single-owner chunk.
 type Validator struct {
 }

pkg/soc/validator_test.go

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// Package swarm contains most basic and general Swarm concepts.
 package soc_test
 
 import (