diff --git a/API.md b/API.md
index 57fd50762..f59da1449 100644
--- a/API.md
+++ b/API.md
@@ -334,8 +334,7 @@ View API token in <kbd>Settings - About</kbd>, request header: `Authorization: T
   ```
 
     * `data`: Created document ID
-    * If you use the same `path` to call this interface repeatedly, the existing document will not be overwritten, but a
-      new document ending with a random number will be created
+    * If you use the same `path` to call this interface repeatedly, the existing document will not be overwritten
 
 ### Rename a document
 
diff --git a/API_zh_CN.md b/API_zh_CN.md
index 24f182c62..1e34d893c 100644
--- a/API_zh_CN.md
+++ b/API_zh_CN.md
@@ -332,7 +332,7 @@
   ```
 
     * `data`：创建好的文档 ID
-    * 如果使用同一个 `path` 重复调用该接口，不会覆盖已有文档，而是新建随机数结尾的文档
+    * 如果使用同一个 `path` 重复调用该接口，不会覆盖已有文档
 
 ### 重命名文档