Merge pull request #5208 from segmentio/olesia-ag-patch-3

Update index.md - added information about Real-time computations

Author: rchinn1

src/engage/audiences/index.md

@@ -141,6 +141,9 @@ Real-time Compute allows you to update traits and Audiences as Segment receives
 - **Instant Messaging:** Trigger messages in email, live chat, and push notifications instantly, to deliver immediate experiences across channels.
 - **Operational Workflows:** Supercharge your sales and support teams by responding to customer needs faster, based on the latest understanding of a user.
 
+> warning ""
+> Real-time Compute doesn't support time window conditions. Segment creates Audiences using time window conditions as batch computations. Additionally, Segment creates [Funnel Audiences](#funnel-audiences) as batch computations.
+
 To create a new Audience or Trait:
 
 1. Go to your **Computed Traits** or **Audiences** tab in Engage and select **Create**.