diff --git a/content/zh/docs/concepts/storage/volume-pvc-datasource.md b/content/zh/docs/concepts/storage/volume-pvc-datasource.md
index d39e7128eb..c740f56a5f 100644
--- a/content/zh/docs/concepts/storage/volume-pvc-datasource.md
+++ b/content/zh/docs/concepts/storage/volume-pvc-datasource.md
@@ -121,6 +121,14 @@ spec:
     name: pvc-1
 ```
 
+<!--
+You must specify a capacity value for `spec.resources.requests.storage`, and the value you specify must be the same or larger than the capacity of the source volume.
+-->
+
+{{< note >}}
+你必须为 `spec.resources.requests.storage` 指定一个值，并且你指定的值必须大于或等于源卷的值。
+{{< /note >}}
+
 <!--
 The result is a new PVC with the name `clone-of-pvc-1` that has the exact same content as the specified source `pvc-1`.
 -->