From 0feb24b860bf2f6af9ba7a2aee3bd918680ff425 Mon Sep 17 00:00:00 2001
From: Frederick Yin <fred.yin@sjtu.edu.cn>
Date: Mon, 11 Oct 2021 23:07:25 +0800
Subject: Update usage command in README

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 3c04c48..aa6a86f 100644
--- a/README.md
+++ b/README.md
@@ -119,7 +119,7 @@ optional arguments:
 Self-grade your homework as follows.
 
 ```
-$ python leningrade.py -n <homework number>
+$ python leningrade.py -n <homework number> -i <homework id>
 ```
 
 This will clone (or pull, if it already exists) your group's repo, and run tests
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