diff --git a/en/src/compound-types/string.md b/en/src/compound-types/string.md
index 2d02825..6760b6a 100644
--- a/en/src/compound-types/string.md
+++ b/en/src/compound-types/string.md
@@ -16,7 +16,7 @@ fn main() {
 ```
 
 
-2. 🌟🌟 We can only use `str` by boxed it, `&` can be used to convert `Box<str>` to `&str` 
+2. 🌟🌟 We can only use `str` by boxing it, `&` can be used to convert `Box<str>` to `&str` 
 
 ```rust,editable