diff --git a/mirai-core-api/src/commonMain/kotlin/contact/Group.kt b/mirai-core-api/src/commonMain/kotlin/contact/Group.kt
index 770042d7d..bc4f38421 100644
--- a/mirai-core-api/src/commonMain/kotlin/contact/Group.kt
+++ b/mirai-core-api/src/commonMain/kotlin/contact/Group.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2019-2020 Mamoe Technologies and contributors.
+ * Copyright 2019-2021 Mamoe Technologies and contributors.
  *
  *  此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
  *  Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
@@ -168,13 +168,13 @@ public interface Group : Contact, CoroutineScope {
 
 
     /**
-     * 将一条消息设置为群精华消息
-     * 需要管理员或群主权限
+     * 将一条消息设置为群精华消息, 需要管理员或群主权限.
+     * 操作成功返回 `true`.
      *
-     * @return 成功时返回true
+     * @throws PermissionDeniedException 没有权限时抛出
      *
-     * @throws PermissionDeniedException 没有权限
-     * */
+     * @since 2.2
+     */
     @JvmBlockingBridge
     public suspend fun setEssenceMessage(source: MessageSource): Boolean