diff --git a/src/basic/compound-type/string-slice.md b/src/basic/compound-type/string-slice.md
index a0a36e43..e59d4f3c 100644
--- a/src/basic/compound-type/string-slice.md
+++ b/src/basic/compound-type/string-slice.md
@@ -195,7 +195,7 @@ fn main() {
     let s1 = String::from("hello,");
     let s2 = String::from("world!");
     // 在下句中，s1的所有权被转移走了，因此后面不能再使用s1
-    let s3 = s1 + &s2; // note s1 has been moved here and can no longer be used
+    let s3 = s1 + &s2;
     assert_eq!(s3,"hello,world!");
     // 下面的语句如果去掉注释，就会报错
     // println!("{}",s1);