string-slice: fix missing 's'

3 years ago · 0ce15c5fe9
parent 2c4f6aebb1
commit 0ce15c5fe9
1 changed files with 1 additions and 1 deletions
--- a/book/contents/basic/compound-type/string-slice.md
+++ b/book/contents/basic/compound-type/string-slice.md
@ -167,7 +167,7 @@ Rust在语言级别，只有一种字符串类型：`str`，它通常是以引
 fn main() {
    // 创建一个空String
    let mut s = String::new();
-    // 将&str类型的"hello,world"添加到中
+    // 将&str类型的"hello,world"添加到s中
    s.push_str("hello,world");
    // 将字符'!'推入s中
    s.push('!');