diff --git a/konabot/plugins/markdown/__init__.py b/konabot/plugins/markdown/__init__.py
index a03773e..0f92ce1 100644
--- a/konabot/plugins/markdown/__init__.py
+++ b/konabot/plugins/markdown/__init__.py
@@ -15,7 +15,7 @@ from konabot.plugins.markdown.core import MarkDownCore
 
 def is_markdown_mentioned(evt: BaseEvent, msg: UniMsg) -> bool:
     txt = msg.extract_plain_text()
-    if "markdown" not in txt[:10] or "md" not in txt[:3]:
+    if "markdown" not in txt[:10] and "md" not in txt[:3]:
         return False
     return True