diff --git a/docs/bot_tutorial/building_block_listeners.md b/docs/bot_tutorial/building_block_listeners.md
index 37f985c..15000fd 100644
--- a/docs/bot_tutorial/building_block_listeners.md
+++ b/docs/bot_tutorial/building_block_listeners.md
@@ -46,6 +46,6 @@ class MyPlugin(Plugin):
     @Plugin.listen('GuildMemberAdd')
     def on_member_add(self, event):
         self.bot.client.state.channels.get(WELCOME_CHANNEL).send_message(
-            'Welcome to the server {}'.format(event.member.user.mention())
+            'Welcome to the server {}'.format(event.member.user.mention)
         )
 ```