diff --git a/discord/abc.py b/discord/abc.py
index e0f0802ff..c3735f6c2 100644
--- a/discord/abc.py
+++ b/discord/abc.py
@@ -359,7 +359,7 @@ class GuildChannel:
     @property
     def mention(self):
         """:class:`str`: The string that allows you to mention the channel."""
-        return '<#%s>' % self.id
+        return f'<#{self.id}>'
 
     @property
     def created_at(self):
diff --git a/discord/invite.py b/discord/invite.py
index 2543f766e..939c62938 100644
--- a/discord/invite.py
+++ b/discord/invite.py
@@ -78,7 +78,7 @@ class PartialInviteChannel:
     @property
     def mention(self):
         """:class:`str`: The string that allows you to mention the channel."""
-        return '<#%s>' % self.id
+        return f'<#{self.id}>'
 
     @property
     def created_at(self):