Update index.md

updating event limits doc to be 2k to match internal UI

Author: tbols

src/unify/Traits/predictions/index.md

@@ -72,8 +72,8 @@ For example, to predict a customer's propensity to purchase over the next 30 day
 
 To access Predictions, you must:
 
-- Track more than 1 event type, but fewer than 5,000 event types. An event type refers to the total number of distinct events seen across all users in an Engage Space within the past 15 days.
-  - If you currently track more than 5,000 distinct events, reduce the number of tracked events below this limit and wait around 15 days before creating your first prediction.
+- Track more than 1 event type, but fewer than 2,000 event types. An event type refers to the total number of distinct events seen across all users in an Engage Space within the past 15 days.
+  - If you currently track more than 2,000 distinct events, reduce the number of tracked events below this limit and wait around 15 days before creating your first prediction.
   - Events become inactive if they've not been sent to an Engage Space within the past 15 days.
 - To prevent events from reaching your Engage Space, modify your event payloads to set `integrations.Personas` to `false`.
   - For more information on using the integrations object, see [Spec: Common Fields](/docs/connections/spec/common/#context:~:text=In%20more%20detail%20these%20common%20fields,Destinations%20field%20docs%20for%20more%20details.), [Integrations](https://segment.com/docs/connections/spec/common/#context:~:text=Kotlin-,Integrations,be%20sent%20to%20rest%20of%20the%20destinations%20that%20can%20accept%20it.,-Timestamps), and [Filtering with the Integrations object](https://segment.com/docs/guides/filtering-data/#filtering-with-the-integrations-object).