API documentation updates for Eval.List pagination

website/content/api-docs/evaluations.mdx

@@ -31,6 +31,18 @@ The table below shows this endpoint's support for
   even number of hexadecimal characters (0-9a-f). This is specified as a query
   string parameter.
 
+- `last_token` `(string: "")` - This endpoint supports paging. The
+  `last_token` parameter accepts a string which is the `ID` field of
+  the last evaluation seen in the previous response, to request the
+  next page of responses.
+
+- `per_page` `(int: 0)` - Specifies a maximum number of evaluations to
+  return for this request. If omitted, the response is not
+  paginated. The `ID` of the last evaluation in the response can be
+  used as the `last_token` of the next request to fetch additional
+  pages.
+
+
 ### Sample Request
 
 ```shell-session