Fix copy-paste comments

command/kv_delete.go

@@ -9,8 +9,8 @@ import (
 	"github.com/mitchellh/cli"
 )
 
-// KVDeleteCommand is a Command implementation that is used to setup
-// a "watch" which uses a sub-process
+// KVDeleteCommand is a Command implementation that is used to delete a key or
+// prefix of keys from the key-value store.
 type KVDeleteCommand struct {
 	Ui cli.Ui
 }

command/kv_get.go

@@ -12,8 +12,8 @@ import (
 	"github.com/mitchellh/cli"
 )
 
-// KVGetCommand is a Command implementation that is used to setup
-// a "watch" which uses a sub-process
+// KVGetCommand is a Command implementation that is used to fetch the value of
+// a key from the key-value store.
 type KVGetCommand struct {
 	Ui cli.Ui
 }

command/kv_put.go

@@ -13,8 +13,8 @@ import (
 	"github.com/mitchellh/cli"
 )
 
-// KVPutCommand is a Command implementation that is used to setup
-// a "watch" which uses a sub-process
+// KVPutCommand is a Command implementation that is used to write data to the
+// key-value store.
 type KVPutCommand struct {
 	Ui cli.Ui