From 8c29105bca1e65a90289f46bac52306b5bc25263 Mon Sep 17 00:00:00 2001
From: you-n-g <you-n-g@users.noreply.github.com>
Date: Wed, 27 Jan 2021 19:52:33 +0800
Subject: [PATCH] Update cache.py

---
 qlib/data/cache.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/qlib/data/cache.py b/qlib/data/cache.py
index 243736ddc..0174dc63f 100644
--- a/qlib/data/cache.py
+++ b/qlib/data/cache.py
@@ -825,8 +825,8 @@ class DiskDatasetCache(DatasetCache):
 
             .. note:: The start is closed. The end is open!!!!!
 
-            - Each line contains two element <timestamp, end_index>
-            - It indicates the `end_index` of the data for `timestamp`
+            - Each line contains two element <start_index, end_index> with a timestamp as its index.
+            - It indicates the `start_index`(included) and `end_index`(excluded) of the data for `timestamp`
 
         - meta data: cache/d41366901e25de3ec47297f12e2ba11d.meta