diff --git a/en/10.1.md b/en/10.1.md
index 7c333454..6306867e 100644
--- a/en/10.1.md
+++ b/en/10.1.md
@@ -18,7 +18,7 @@ We can set a user's locale via the domain name itself when the application uses
 
 - Identifying the locale via URL is distinctive and unambiguous 
 - Users intuitively know which domain names to visit for their specific region or language 
-- Implementing this scheme in a Go application very simple and convenient, and can be achieved through a map
+- Implementing this scheme in a Go application is very simple and convenient, and can be achieved through a map
 - Conducive to search engine crawlers which can improve the site's SEO
 
 We can use the following code to implement a corresponding domain name locale: