docs: update table of contents

docs/README.md

@@ -1,13 +1,13 @@
 # Table of Contents
 * [Table of Contents](#table-of-contents)
 * [Basics](#basics)
-  * [Basic example](#basic-example)
-  * [Configuring `HttpClient` and configuring the sections](#configuring--httpclient--and-configuring-the-sections)
+  * [Configuring `HttpClient` and using it with the different sections](#configuring--httpclient--and-using-it-with-the-different-sections)
+  * [Basic usage example](#basic-usage-example)
   * [Response Object](#response-object)
   * [Request Metadata](#request-metadata)
   * [Next tokens](#next-tokens)
     * [Creating `NextToken`s](#creating--nexttoken-s)
-    * [Reusing next tokens from previous responses](#reusing-next-tokens-from-previous-responses)
+    * [Reusing next tokens from a previous response](#reusing-next-tokens-from-a-previous-response)
 * [Sections](#sections)
   * [Sellers](#sellers)
     * [listMarketplaceParticipations](#listmarketplaceparticipations)
@@ -36,7 +36,7 @@
     * [getReportScheduleCount](#getreportschedulecount)
     * [updateReportAcknowledgements](#updatereportacknowledgements)
   * [Subscriptions](#subscriptions)
-    * [Types used in Subscriptions](#types-used-in-subscriptions)
+    * [Types used in `Subscriptions`](#types-used-in--subscriptions-)
       * [Subscription](#subscription)
       * [Destination](#destination)
       * [AttribueKeyValue](#attribuekeyvalue)
@@ -62,7 +62,7 @@
     * [cancelFeedSubmissions](#cancelfeedsubmissions)
     * [getFeedSubmissionResult](#getfeedsubmissionresult)
   * [Products](#products)
-    * [Types used in Products](#types-used-in-products)
+    * [Types used in `Products`](#types-used-in--products-)
       * [FeesEstimateRequest](#feesestimaterequest)
       * [PriceToEstimateFees](#pricetoestimatefees)
       * [MoneyType](#moneytype)