diff --git a/APIDOCS.md b/APIDOCS.md
index f93578aa..dc758961 100644
--- a/APIDOCS.md
+++ b/APIDOCS.md
@@ -341,7 +341,9 @@ URL:
 
 WHERE:
 - `token`: The session token generated by the `login` call.
-- `type`: The duration type for which valid values are: [`lastHour`, `lastDay`, `lastWeek`, `lastMonth`, `lastYear`]
+- `type`: The duration type for which valid values are: [`lastHour`, `lastDay`, `lastWeek`, `lastMonth`, `lastYear`, `custom`]
+- `start` (optional): The start date in UTC. Applies only to `custom` type.
+- `end` (optional): The end date in UTC. Applies only to `custom` type.
 
 RESPONSE:
 ```