diff --git a/discord/message.py b/discord/message.py
index 233d46f63..0c9f39880 100644
--- a/discord/message.py
+++ b/discord/message.py
@@ -570,7 +570,7 @@ class Message:
     def is_system(self):
         """:class:`bool`: Whether the message is a system message.
 
-        ..versionadded:: 1.3
+        .. versionadded:: 1.3
         """
         return self.type is not MessageType.default