You can edit your products directly from your menu in Deliverect. To do so, follow the steps in this article
Use the customization feature if you want to apply changes only for specific stores or channels.
Step 1. Select 
Menus in your sidebar.
Step 2. Select the menu you want to update.
Step 3. Select the product.
Step 4. All current information about the product is displayed here. Select a field to edit it.
If you use a POS, you may find an arrow next to a value. This means that the value differs from what was originally received from your POS. You can restore the original value by selecting the arrow.
You can restore all overridden fields to their original values by selecting ⋯ 
and choosing Revert all product changes 
.
Select the Save changes button once you have finished making updates to the product.
Do not forget to publish your menus after making changes.