diff --git a/lib/pleroma/web/activity_pub/transmogrifier.ex b/lib/pleroma/web/activity_pub/transmogrifier.ex
index da6562dcd..01b3eab27 100644
--- a/lib/pleroma/web/activity_pub/transmogrifier.ex
+++ b/lib/pleroma/web/activity_pub/transmogrifier.ex
@@ -255,7 +255,7 @@ def prepare_object(object) do
   end
 
   @doc
-  """
+  _ = """
   internal -> Mastodon
   """