fix caption format

4 years ago · d3932e8f0b
parent 97e63f8e0d
commit d3932e8f0b
1 changed files with 1 additions and 1 deletions
--- a/src/ch12-02-reading-a-file.md
+++ b/src/ch12-02-reading-a-file.md
@ -1,4 +1,4 @@
-## 读取文件
+### 读取文件
 > [ch12-02-reading-a-file.md](https://github.com/rust-lang/book/blob/master/src/ch12-02-reading-a-file.md)
 > <br>