chore: update changelog

CHANGELOG.md

@@ -2,11 +2,15 @@
 
 ### Changed
 
-- **Breaking Change**: Updated method signatures in the gem to use keyword arguments instead of named arguments.
+### Breaking Change
+Updated method signatures in the gem to use keyword arguments instead of named arguments.
 
-- Specifically, `MonopayRuby::Invoices::SimpleInvoice::new` method was affected by this change.
-- Previously, the method was called like `new("redirect/url", "webhook/url")`. Now, it should be called like `new(redirect_url: "redirect/url", webhook_url: "webhook/url")`.
-- Note: This is a breaking change and will require updating your code if you are updating to this version of the gem from an earlier version.
+###### Specifically
+`MonopayRuby::Invoices::SimpleInvoice::new` method was affected by this change.
+###### Previously
+the method was called like `new("redirect/url", "webhook/url")`. Now, it should be called like `new(redirect_url: "redirect/url", webhook_url: "webhook/url")`.
+#### Note
+This is a breaking change and will require updating your code if you are updating to this version of the gem from an earlier version.
 
 ## [0.1.1] - 2023-06-19