chore(docs): Updated API Reference (v2) (#9437)

Automated changes by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action

Co-authored-by: Shahed Nasser <27354907+shahednasser@users.noreply.github.com>

www/apps/api-reference/specs/admin/components/schemas/AdminUpdateSalesChannel.yaml

@@ -1,5 +1,5 @@
 type: object
-description: SUMMARY
+description: The properties to update in the sales channel.
 x-schemaName: AdminUpdateSalesChannel
 properties:
   name:
@@ -13,7 +13,7 @@ properties:
   is_disabled:
     type: boolean
     title: is_disabled
-    description: The sales channel's is disabled.
+    description: Whether the sales channel is disabled.
   metadata:
     type: object
-    description: The sales channel's metadata.
+    description: The sales channel's metadata, can hold custom key-value pairs.