diff --git a/content/zh/docs/concepts/containers/overview.md b/content/zh/docs/concepts/containers/overview.md
index 15c881bd51..713cc4e7ac 100644
--- a/content/zh/docs/concepts/containers/overview.md
+++ b/content/zh/docs/concepts/containers/overview.md
@@ -46,7 +46,7 @@ the change, then recreate the container to start from the updated image.
 <!--
 ## Container runtimes
 -->
-##容器运行时
+## 容器运行时
 
 {{< glossary_definition term_id="container-runtime" length="all" >}}