Update Transaction Service overview

pages/core-api/transaction-service-overview.mdx

@@ -4,9 +4,9 @@ import Reference from '../../assets/svg/reference.svg'
 
 # Safe Transaction Service API
 
-The Safe Transaction Service API offers REST endpoints to keep track of transactions sent via Safe contracts. It also offers endpoints to send transactions to allow off-chain collecting of signatures or informing the owners about a pending transaction to be sent to the blockchain.
+The Safe Transaction Service offers a REST API to track transactions sent via the Safe Smart Account. It also provides endpoints to send transactions, allow off-chain collecting of signatures, or informing the owners about a pending transaction to be sent to the blockchain.
 
-We also offer the [API Kit](../sdk/api-kit), a TypeScript client for the Safe Transaction Service API in the Safe\{Core\} SDK.
+Additionally, the Safe\{Core\} SDK provides the [API Kit](../sdk/api-kit), a TypeScript client for the Safe Transaction Service API.
 
 <Cards>
   <Card icon={<Guides />} title="Guides" href="./transaction-service-guides/transactions" />
@@ -15,4 +15,4 @@ We also offer the [API Kit](../sdk/api-kit), a TypeScript client for the Safe Tr
 
 ## Getting started
 
-Are you new to our API and not sure where to get started? We recommend heading over to the guides on the [Safe Transaction Service API](../core-api/transaction-service-guides/transactions.mdx).
+Are you new to our API and not sure where to get started? We recommend heading over to the [guides](../core-api/transaction-service-guides/transactions.mdx) on the Safe Transaction Service API.