diff --git a/internal/bill/repository.go b/internal/bill/repository.go
index b6df9bc..d5f429d 100644
--- a/internal/bill/repository.go
+++ b/internal/bill/repository.go
@@ -5,52 +5,52 @@ import (
 	"gorm.io/gorm"
 )
 
-type databaseRepository struct {
+type sqliteRepository struct {
 	db *gorm.DB
 }
 
 func NewDatabaseRepository(db *gorm.DB) BillRepository {
-	return &databaseRepository{
+	return &sqliteRepository{
 		db: db,
 	}
 }
 
-func (db *databaseRepository) GetBills(ctx context.Context) (*[]Bill, error) {
+func (db *sqliteRepository) GetBills(ctx context.Context) (*[]Bill, error) {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (db *databaseRepository) GetBillByDay(ctx context.Context, year int, month int, day int) (*[]Bill, error) {
+func (db *sqliteRepository) GetBillByDay(ctx context.Context, year int, month int, day int) (*[]Bill, error) {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (db *databaseRepository) GetBillByMonth(ctx context.Context, year int, month int) (*[]Bill, error) {
+func (db *sqliteRepository) GetBillByMonth(ctx context.Context, year int, month int) (*[]Bill, error) {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (db *databaseRepository) GetBillByYear(ctx context.Context, year int) (*[]Bill, error) {
+func (db *sqliteRepository) GetBillByYear(ctx context.Context, year int) (*[]Bill, error) {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (db *databaseRepository) GetBillByID(ctx context.Context, id int) (*Bill, error) {
+func (db *sqliteRepository) GetBillByID(ctx context.Context, id int) (*Bill, error) {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (db *databaseRepository) CreateBill(ctx context.Context, bill *Bill) error {
+func (db *sqliteRepository) CreateBill(ctx context.Context, bill *Bill) error {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (db *databaseRepository) UpdateBill(ctx context.Context, bill *Bill) error {
+func (db *sqliteRepository) UpdateBill(ctx context.Context, bill *Bill) error {
 	//TODO implement me
 	panic("implement me")
 }
 
-func (db *databaseRepository) DeleteBill(ctx context.Context, id int) error {
+func (db *sqliteRepository) DeleteBill(ctx context.Context, id int) error {
 	//TODO implement me
 	panic("implement me")
 }
diff --git a/internal/infrastructure/sqlit.go b/internal/infrastructure/sqlite.go
similarity index 100%
rename from internal/infrastructure/sqlit.go
rename to internal/infrastructure/sqlite.go