diff --git a/docs/rules/1025.md b/docs/rules/1025.md
index 94e7bb34..b952cd46 100644
--- a/docs/rules/1025.md
+++ b/docs/rules/1025.md
@@ -2,7 +2,8 @@
 
 **Description**: Checks whether an existing property's `required` status is changed from the previous specification. 
 
-**Cause**: This is considered a breaking change in the same api-version but not breaking in new api-version . 
+**Cause**: Changing an existing property's `required` status is a breaking change in the same api-version.
+In a new api-version, whether the change is breaking depends on its impact on the wire contract and Azure REST API breaking-change policy.
 
 **Example**: `required` status for parameter `b` is changed from `false` to `true` without revising api-version.