diff --git a/aio/content/guide/reactive-forms.md b/aio/content/guide/reactive-forms.md
index ba23db2769..5ef28a4730 100644
--- a/aio/content/guide/reactive-forms.md
+++ b/aio/content/guide/reactive-forms.md
@@ -399,7 +399,7 @@ This guide uses four fundamental classes to build a reactive form:
 
       Class
 
-      CSS 类
+      类
 
     </th>