kvdb+lncfg: fix some typos in comments

kvdb/etcd/db.go

@@ -132,7 +132,7 @@ type db struct {
 var _ walletdb.DB = (*db)(nil)
 
 // newEtcdBackend returns a db object initialized with the passed backend
-// config. If etcd connection cannot be estabished, then returns error.
+// config. If etcd connection cannot be established, then returns error.
 func newEtcdBackend(ctx context.Context, cfg Config) (*db, error) {
 	clientCfg := clientv3.Config{
 		Context:            ctx,
@@ -182,7 +182,7 @@ func newEtcdBackend(ctx context.Context, cfg Config) (*db, error) {
 	return backend, nil
 }
 
-// getSTMOptions creats all STM options based on the backend config.
+// getSTMOptions creates all STM options based on the backend config.
 func (db *db) getSTMOptions() []STMOptionFunc {
 	opts := []STMOptionFunc{
 		WithAbortContext(db.ctx),

lncfg/db.go

@@ -27,7 +27,7 @@ type DB struct {
 	Bolt *kvdb.BoltConfig `group:"bolt" namespace:"bolt" description:"Bolt settings."`
 }
 
-// NewDB creates and returns a new default DB config.
+// DefaultDB creates and returns a new default DB config.
 func DefaultDB() *DB {
 	return &DB{
 		Backend:             BoltBackend,