From fb611328d70a107bc8257d62bc2141c1c62daf90 Mon Sep 17 00:00:00 2001
From: AugusMeow <34206897+DrAugus@users.noreply.github.com>
Date: Tue, 27 Sep 2022 16:19:26 +0800
Subject: [PATCH] fix #1022

---
 src/basic/result-error/result.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/basic/result-error/result.md b/src/basic/result-error/result.md
index 5d93daba..391a7fd0 100644
--- a/src/basic/result-error/result.md
+++ b/src/basic/result-error/result.md
@@ -202,7 +202,7 @@ use std::io::Read;
 fn read_username_from_file() -> Result<String, io::Error> {
     let mut f = File::open("hello.txt")?;
     let mut s = String::new();
-    f.read_to_string(&mut s)?;
+    f?.read_to_string(&mut s)?;
     Ok(s)
 }
 ```