diff --git a/docs/index.md b/docs/index.md
index 7fe7996c8..bf51c249f 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -309,8 +309,8 @@ where:
     * `template_type` - `sms` or `email` (you can enter both)
     * `status` - `sending`, `delivered`, or `failed`
     * `page` - page number
-    * `page_size`
-    * `limit_days` - defaults to 7
+    * `page_size` - number of notifications per page; defaults to 50
+    * `limit_days` - number of days; defaults to 7
 * `total` is the total number of notifications sent by the service using the given template type
 * `page_size` is an optional integer indicating the number of notifications per page; if not provided, defaults to 50