fix typo in sqlite.go

loopdb/sqlite.go

@@ -294,7 +294,7 @@ func (b *BaseDB) FixFaultyTimestamps(ctx context.Context) error {
 }
 
 // TxOptions represents a set of options one can use to control what type of
-// database transaction is created. Transaction can wither be read or write.
+// database transaction is created. Transaction can whether be read or write.
 type TxOptions interface {
 	// ReadOnly returns true if the transaction should be read only.
 	ReadOnly() bool