diff --git a/src/Database/Esqueleto/Internal/Sql.hs b/src/Database/Esqueleto/Internal/Sql.hs
index 5aa4992..f48864d 100644
--- a/src/Database/Esqueleto/Internal/Sql.hs
+++ b/src/Database/Esqueleto/Internal/Sql.hs
@@ -417,7 +417,7 @@ rawExecute mode query = do
 --
 -- @
 -- delete $
--- from $ \appointment ->
+-- from $ \\appointment ->
 -- where_ (appointment ^. AppointmentDate <. val now)
 -- @
 delete :: ( MonadLogger m