Updates hydra: 35a8d91 Fix: typo

diff --git a/hydra b/hydra
index efee02107e419bfb91ddd4697a80bbdcdbd86591..35a8d914e79aaa9b54881a179770da0e0de0a835 160000 (submodule)
--- a/hydra
+++ b/hydra
@@ -1 +1 @@
-Subproject commit efee02107e419bfb91ddd4697a80bbdcdbd86591
+Subproject commit 35a8d914e79aaa9b54881a179770da0e0de0a835