DEVDOCS-6177: [update] fix rendering (#719)

<!-- Ticket number or summary of work -->
# [DEVDOCS-6177]


## What changed?
Fix the rendering of :
- For Shipping Consignment
- For Pickup Consignment 

## Release notes draft
<!-- Provide an entry for the release notes using simple, conversational
language. Don't be too technical. Explain how the change will benefit
the merchant and link to the feature.

Examples:
* The newly-released [X feature] is now available to use. Now, you’ll be
able to [perform Y action].
* We're happy to announce [X feature], which can help you [perform Y
action].
* [X feature] helps you to create [Y response] using the [Z query
parameter]. Now, you can deliver [ex, localized shopping experiences for
your customers].
* Fixed a bug in the [X endpoint]. Now the [Y field] will appear when
you click [Z option]. -->
* 

## Anything else?
<!-- Add related PRs, salient notes, additional ticket numbers, etc. -->

ping {names}


[DEVDOCS-6177]:
https://bigcommercecloud.atlassian.net/browse/DEVDOCS-6177?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

reference/checkouts.sf.yml

@@ -284,7 +284,9 @@ paths:
         Adds a new *Consignment* to *Checkout*.
 
         Perform the following two steps to define the fulfillment of the items in the cart.
-        ### For **shipping** consignments:
+        
+        ### For shipping consignments:
+        
           1. Add a new Consignment to Checkout.
               * Send a `POST` request to `/consignments` with each shipping address, line item IDs, and quantities. Each address can have its own line item IDs.
               * Provide a full valid customer address before placing the order. If provided, the order placement will succeed. 
@@ -296,7 +298,8 @@ paths:
               
           2. Update the Consignment with Shipping Options using the [REST Storefront API](/docs/rest-storefront/checkouts/checkout-consignments#update-a-consignment), the [REST Management API](/docs/rest-management/checkouts/checkout-consignments#update-checkout-consignment) or the [GraphQL Storefront API](/docs/storefront/cart-checkout/guide/graphql-storefront).
                 
-        ### For **pickup** consignments:
+        ### For pickup consignments:
+        
           1. Create a new consignment object. 
               - Send a `POST` request to `/consignments` with line item IDs and quantities.
               - Provide a `pickupMethodId`. This is the `id` of the Pickup Method provided in the response body of the Storefront Pickup Options API.