diff --git a/API.md b/API.md
index 930b3f0..9067ece 100644
--- a/API.md
+++ b/API.md
@@ -27,7 +27,8 @@ Returns statuses, most recent ones first. Home timeline is statuses from people
 
 Query parameters:
 
-- max_id (optional, default none): Skip statuses up to ID
+- max_id (optional): Skip statuses younger than ID (e.g. navigate backwards in time)
+- since_id (optional): Skip statuses older than ID (e.g. check for updates)
 - limit (optional, default 20): Return this many statuses
 
 ## Following a remote user
@@ -56,7 +57,7 @@ Returns authenticated user's account.
 
 **GET /api/v1/accounts/:id/statuses**
 
-Returns statuses by user.
+Returns statuses by user. Same options as timeline are permitted.
 
 **GET /api/v1/accounts/:id/following**