Update ID Sync [netlify-build]

Author: rchinn1

src/engage/trait-activation/id-sync.md

@@ -4,7 +4,7 @@ beta: true
 plan: engage-foundations
 ---
 
-Use ID Sync to select identifiers and a sync strategy when you send Engage Audience data to your Destinations. Configure how you send your identifiers, which provides more control over the data you send. 
+Use ID Sync to select identifiers and a sync strategy when you send Audience data to your destinations. Configure how you send identifiers, which provides more control over the data you send downstream. 
 
 On this page, you'll learn how to configure and begin using ID Sync.
 
@@ -25,24 +25,24 @@ To use ID Sync, you must have the following:
 To configure ID Sync:
 
 1. Navigate to **Engage** > **Audiences**.
-2. [Create a new Audience](/docs/engage/audiences/). From the **Select Destination** tab in the Audience builder, select your Destination.
+2. [Create a new Audience](/docs/engage/audiences/). From the **Select Destination** tab in the Audience builder, select your destination.
 - If you don't see any destinations to add, you'll need to [add the destination](/docs/connections/destinations/add-destination/#adding-a-destination) to your Engage space first.
-- For existing Audiences, you'll find your connected Destination on the Audience Overview page.
+- For existing Audiences, you'll find your connected destination on the Audience Overview page.
 3. In the **Event Settings** section, you'll see two options: **Default Setup** and **Customized Setup**. To use ID Sync, select [**Customized Setup**](#customized-setup). 
 
 ### Default setup 
 
 Default setup uses default Segment Destination behavior. To use the default settings, click **Save** and resume building your Audience. 
 
-You can return to customize additional event settings at any time. 
+You can customize additional event settings at any time. 
 
 ### Customized setup 
 
 With Customized setup, you can choose which identifiers you want to map downstream to your Destination.
 
 1. Using **Customized Setup**, click **+ Add Identifier** and add the identifiers:
 - **Segment**: Choose your identifiers from Segment.
-- **Destination**: Choose which identifiers you want to map to in your Destination. If the destination doesn't contain the property, then outgoing events may not be delivered to your destination.
+- **Destination**: Choose which identifiers you want to map to from your destination. If the destination doesn't contain the property, then outgoing events may not be delivered to your destination.
 - *Facebook Custom Audiences* and *Google Ads Remarketing Lists* display a dropdown for you to choose available identifiers. 
 - *Iterable* and *Zendesk* autopopulate an open text field which you can modify.
 2. Add an ID strategy. 
@@ -54,30 +54,29 @@ With Customized setup, you can choose which identifiers you want to map downstre
 
 - Segment recommends using ID Sync with new Audiences. 
 - ID sync configuration changes apply to new data flowing after about five minutes. Changes don't apply to active or running syncs. 
-- ID Sync used on existing Audience destinations doesn't automatically resync the entire audience. Only new data flowing into Segment adheres to your ID Sync configuration. 
-- Any changes are irreversible as Segment doesn't maintain ID Sync history. 
-- You can only select a maximum of three identifiers with an `all` strategy.
+- ID Sync used on existing Audience destinations doesn't resync the entire audience. Only new data flowing into Segment follows your ID Sync configuration. 
+- Segment doesn't maintain ID Sync history, which means that any changes are irreversible. 
+- You can only select a maximum of three identifiers with an `All` strategy.
 
 
 ## Frequently asked questions
 {% faq %}
 {% faqitem What's the difference between Trait Enrichment and ID Sync? %}
 
-**Trait Enrichment** maps the traits data you've collected with Engage to use when syncing Engage Audiences to destinations. 
+**Trait Enrichment** maps the traits data you've collected with Engage to use when syncing Audiences to destinations. 
 
-**ID Sync** maps the identities data gathered for a profile for use when syncing Engage Audiences to destinations.
+**ID Sync** maps the identities data gathered for a profile for use when syncing Audiences to destinations.
 
 {% endfaqitem %}
 
 {% faqitem How do syncs differ between Audiences with ID Sync and Audiences without ID Sync? %}
 
-Audiences without an ID Sync aren't allowed to select any strategy, and by default will send all values of an identifier to the destination. Also, audiences without an ID Sync do not provide provision to send any custom identifiers that are present in your space. 
+Audiences without ID Sync aren't allowed to select any strategy, and by default will send all values of an identifier to the destination. Also, audiences without ID Sync don't send any custom identifiers that are present in your space. 
 
-ID Sync on existing Audience destinations do not automatically resync the entire audience. Only new data flowing into Segment adheres to the new ID Sync configuration.
 
 {% endfaqitem %}
 
 {% faqitem Can I edit config once the audience has synced? %}
-Yes, you can edit configuration in the Destination **Settings** tab at any time. However, changes will only take place in subsequent audience syncs or in new audiences connected to the destination.
+Yes, you can edit configuration in the Destination **Settings** tab at any time. However, changes will only take place in subsequent audience syncs, or in new audiences connected to the destination.
 {% endfaqitem %}
 {% endfaq %}