Aside from entering transactions, you also have the power to edit transaction details inside the module.
All you need to do is go inside the transaction that you've created.
STEP 1: Go inside the transaction that you've created
STEP 2: Click Edit button
STEP 3: Change any details in your transaction, then click the Save button
Follow these steps in order for you to successfully delete a transaction within the module.
STEP 1: Mark the checkbox of the transaction that you want to remove
STEP 2: Click Delete Transaction (trash can) icon
STEP 3: Click "Yes, remove this please!"