diff --git a/x-api/activity/introduction.mdx b/x-api/activity/introduction.mdx
index 225341a62..41511a78c 100644
--- a/x-api/activity/introduction.mdx
+++ b/x-api/activity/introduction.mdx
@@ -141,6 +141,13 @@ Private events are activities that require explicit user consent through OAuth a
 
 **Current private events:**
 - Likes (`like.create`)
+- Encrypted chat received (`chat.received`)
+- Encrypted chat sent (`chat.sent`)
+- DM received (`dm.received`)
+- DM sent (`dm.sent`)
+- DM read (`dm.read`)
+- DM typing indicator (`dm.indicate_typing`)
+- Post mentions (`post.mention.create`)
 
 **Authentication requirements for private events:**
 - The user must authenticate your application via OAuth 2.0
@@ -154,9 +161,9 @@ The X Activity API has different subscription limits based on your account tier:
 
 | Package Tier | Maximum Subscriptions |
 | --- | --- |
-| Self-serve | 1000 |
-| Enterprise | 50,000 |
-| Partner | 100,000 |
+| Self-serve | 1,500 |
+| Enterprise | 75,000 |
+| Partner | 150,000 |
 
 ## Endpoints