diff --git a/cmd/showonce/run.go b/cmd/showonce/run.go
index 88cc27c..09808ac 100644
--- a/cmd/showonce/run.go
+++ b/cmd/showonce/run.go
@@ -143,13 +143,14 @@ func Run(ctx context.Context, exitFunc func(code int)) {
 		MaxHeaderBytes: 1 << 20,
 	}
 
-	// creating a listener for server
+	// creating a listener for GRPC server
 	var listenerPub net.Listener
 	listenerPub, err = net.Listen("tcp", cfg.ListenGRPC)
 	if err != nil {
 		return
 	}
-	// creating a listener for server
+
+	// creating a listener for HTTP server
 	var listener net.Listener
 	listener, err = net.Listen("tcp", cfg.Listen)
 	if err != nil {
diff --git a/showonce.go b/showonce.go
index 31168dc..e3c6d89 100644
--- a/showonce.go
+++ b/showonce.go
@@ -20,11 +20,11 @@ var errMissingMetadata = status.Errorf(codes.InvalidArgument, "no incoming metad
 // PublicServiceImpl - реализация PublicService.
 type PublicServiceImpl struct {
 	gen.UnimplementedPublicServiceServer
-	Store storage.StorageIface
+	Store storage.Iface
 }
 
 // NewPublicService - создать PublicService.
-func NewPublicService(db storage.StorageIface) *PublicServiceImpl {
+func NewPublicService(db storage.Iface) *PublicServiceImpl {
 	return &PublicServiceImpl{Store: db}
 }
 
@@ -43,11 +43,11 @@ func (service PublicServiceImpl) GetData(_ context.Context, id *gen.ItemId) (*ge
 // PrivateServiceImpl - реадизация PrivateService.
 type PrivateServiceImpl struct {
 	gen.UnimplementedPrivateServiceServer
-	Store storage.StorageIface
+	Store storage.Iface
 }
 
 // NewPrivateService - создать PrivateService.
-func NewPrivateService(db storage.StorageIface) *PrivateServiceImpl {
+func NewPrivateService(db storage.Iface) *PrivateServiceImpl {
 	return &PrivateServiceImpl{Store: db}
 }
 
diff --git a/storage/cache/cache.go b/storage/cache/cache.go
index ad9687b..2b9e7a4 100644
--- a/storage/cache/cache.go
+++ b/storage/cache/cache.go
@@ -1,3 +1,4 @@
+// Package cache implements cache storage.
 package cache
 
 import (
@@ -35,7 +36,7 @@ var (
 	ErrDataCorrupted = errors.New("item data was corrupted")
 )
 
-// NewStorage returns new Storage object.
+// New returns new Storage object.
 func New(cfg Config) Storage {
 	return Storage{
 		Meta: zcache.New[string, *gen.ItemMeta](cfg.MetaTTL, cfg.CleanupInterval),
diff --git a/storage/storage.go b/storage/storage.go
index 6441a0e..ad45a37 100644
--- a/storage/storage.go
+++ b/storage/storage.go
@@ -1,5 +1,6 @@
 // DONT EDIT: Auto generated by ifacemaker
 
+// Package storage hold Iface which all subpackages implements.
 package storage
 
 import (
@@ -7,8 +8,8 @@ import (
 	"github.com/oklog/ulid/v2"
 )
 
-// StorageIface makes users independant
-type StorageIface interface {
+// Iface makes users independent from storage implementation.
+type Iface interface {
 	// SetMeta prepares and saves item metadata and secret.
 	SetMeta(owner string, req *gen.NewItemRequest) (*ulid.ULID, error)
 	// GetMeta returns item metadata.
@@ -20,4 +21,3 @@ type StorageIface interface {
 	// Stats returns global and user's item counters.
 	Stats(owner string) (*gen.StatsResponse, error)
 }
-