Update readme

README.md

@@ -6,7 +6,9 @@
 [![Build Status][ico-github-actions]][link-github-actions]
 [![Code Coverage][ico-code-coverage]][link-code-coverage]
 
-Will add the requirement to check off terms and conditions when the customer checks out
+Will add a checkbox to the selects form(s) where the customer has to accept the terms and conditions before continuing.
+
+This can be used to make sure the customer has accepted the terms and conditions before placing an order.
 
 * [Screenshots](#screenshots)
 * [Installation](#installation)
@@ -25,6 +27,9 @@ Here is a list of terms. Notice the `terms_and_conditions` which is associated w
 
 ![Screenshot showing admin terms index page](docs/images/admin-terms-index.png)
 
+Notice that you select the form where the terms are shown. As default only the `Checkout > Complete` form is available,
+but you can add more in the `setono_sylius_terms.forms` configuration option.
+
 ![Screenshot showing admin terms update page](docs/images/admin-terms-update.png)
 
 The `Label` field is the text shown on the complete order page. Notice you can use a placeholder (`[link:Link text]`) to tell where the link should be.