diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/Unreachable.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/Unreachable.kt
index ec31ec3e5..49f3c7601 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/Unreachable.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/Unreachable.kt
@@ -4,4 +4,4 @@ package net.mamoe.mirai.utils
  * 表示这里是不可到达的位置.
  */
 @Suppress("NOTHING_TO_INLINE")
-internal inline fun assertUnreachable(): Nothing = error("This clause should be reached")
+internal inline fun assertUnreachable(): Nothing = error("This clause should not be reached")