change "session access token" to "access token (session)" in sessions.md

docs/shopify_app/sessions.md

@@ -3,12 +3,11 @@
 Sessions are used to make contextual API calls for either a shop (offline session) or a user (online session). This gem has ownership of session persistence.
 
 #### Table of contents
-
 - [Sessions](#sessions)
       - [Table of contents](#table-of-contents)
   - [Sessions](#sessions-1)
-      - [Types of session access tokens](#types-of-session-access-tokens)
-      - [Session access token storage](#session-access-token-storage)
+      - [Types of access tokens (sessions)](#types-of-access-tokens-sessions)
+      - [Access token storage (session)](#access-token-storage-session)
         - [Shop (offline) token storage](#shop-offline-token-storage)
         - [User (online) token storage](#user-online-token-storage)
         - [In-memory Session Storage for testing](#in-memory-session-storage-for-testing)
@@ -28,7 +27,7 @@ Sessions are used to make contextual API calls for either a shop (offline sessio
   - [Migrating from `ShopifyApi::Auth::SessionStorage` to `ShopifyApp::SessionStorage`](#migrating-from-shopifyapiauthsessionstorage-to-shopifyappsessionstorage)
 
 ## Sessions
-#### Types of session access tokens
+#### Types of access tokens (sessions)
 - **Shop** ([offline access](https://shopify.dev/docs/apps/auth/oauth/access-modes#offline-access))
   - Access token is linked to the store
   - Meant for long-term access to a store, where no user interaction is involved
@@ -39,7 +38,7 @@ Sessions are used to make contextual API calls for either a shop (offline sessio
 
 ⚠️  [Read more about Online vs. Offline access here](https://shopify.dev/apps/auth/oauth/access-modes).
 
-#### Session access token storage
+#### Access token storage (session)
 ##### Shop (offline) token storage
 ⚠️ All apps must have a shop session storage, if you started from the [Ruby App Template](https://github.com/Shopify/shopify-app-template-ruby), it's already configured to have a Shop model by default.
 
@@ -347,5 +346,5 @@ config.user_session_repository = {YOUR_USER_MODEL_CLASS}
 - Sessions storage are now handled with [ShopifyApp::SessionRepository](https://github.com/Shopify/shopify_app/blob/main/lib/shopify_app/session/session_repository.rb)
 - To migrate and specify your shop or user session storage method:
   1. Remove `session_storage` configuration from `config/initializers/shopify_app.rb`
-  2. Follow ["Session Access Token Storage" instructions](#session-access-token-storage) to specify the storage repository for shop and user sessions.
+  2. Follow ["Access Token Storage" instructions](#access-token-storage-session) to specify the storage repository for shop and user sessions.
      - [Customizing session storage](#customizing-session-storage-with-shopifyappsessionrepository)