add descriptions for marketplace pages

Author: Blargian

docs/en/cloud/manage/billing/marketplace/index.md

@@ -5,12 +5,14 @@ description: Market Place Table of Contents page
 keywords: [Marketplace Billing, AWS, GCP]
 ---
 
-| Page                                                                                                                |
-|---------------------------------------------------------------------------------------------------------------------|
-| [Marketplace Billing](/docs/en/cloud/marketplace/marketplace-billing)                                               |
-| [AWS Marketplace PAYG](/docs/en/cloud/billing/marketplace/aws-marketplace-payg)                                     |
-| [AWS Marketplace Committed Contract](/docs/en/cloud/billing/marketplace/aws-marketplace-committed-contract)         |
-| [GCP Marketplace PAYG](/docs/en/cloud/billing/marketplace/gcp-marketplace-payg)                                     |
-| [GCP Marketplace Committed Contract](/docs/en/cloud/billing/marketplace/gcp-marketplace-committed-contract)         |
-| [Azure Marketplace PAYG](/docs/en/cloud/billing/marketplace/azure-marketplace-payg)                                 |
-| [Azure Marketplace Committed Contract](/docs/en/cloud/billing/marketplace/azure-marketplace-committed-contract)     |
+This section details billing related topics for Marketplace.
+
+| Page                                                                                                                | Description                                                                                                                                                                                                                                    |
+|---------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| [Marketplace Billing](/docs/en/cloud/marketplace/marketplace-billing)                                               | FAQ on Marketplace billing.                                                                                                                                                                                                                    |
+| [AWS Marketplace PAYG](/docs/en/cloud/billing/marketplace/aws-marketplace-payg)                                     | Get started with ClickHouse Cloud on the AWS Marketplace via a PAYG (Pay-as-you-go) Public Offer.                                                                                                                                              |
+| [AWS Marketplace Committed Contract](/docs/en/cloud/billing/marketplace/aws-marketplace-committed-contract)         | Get started with ClickHouse Cloud on the AWS Marketplace via a committed contract. A committed contract, also known as a a Private Offer, allows customers to commit to spending a certain amount on ClickHouse Cloud over a period of time.   |
+| [GCP Marketplace PAYG](/docs/en/cloud/billing/marketplace/gcp-marketplace-payg)                                     | Get started with ClickHouse Cloud on the GCP Marketplace via a PAYG (Pay-as-you-go) Public Offer.                                                                                                                                              |
+| [GCP Marketplace Committed Contract](/docs/en/cloud/billing/marketplace/gcp-marketplace-committed-contract)         | Get started with ClickHouse Cloud on the GCP Marketplace via a committed contract. A committed contract, also known as a a Private Offer, allows customers to commit to spending a certain amount on ClickHouse Cloud over a period of time.   |
+| [Azure Marketplace PAYG](/docs/en/cloud/billing/marketplace/azure-marketplace-payg)                                 | Get started with ClickHouse Cloud on the Azure Marketplace via a PAYG (Pay-as-you-go) Public Offer.                                                                                                                                            |
+| [Azure Marketplace Committed Contract](/docs/en/cloud/billing/marketplace/azure-marketplace-committed-contract)     | Get started with ClickHouse Cloud on the Azure Marketplace via a committed contract. A committed contract, also known as a a Private Offer, allows customers to commit to spending a certain amount on ClickHouse Cloud over a period of time. |