diff --git a/doc b/doc
index 9611622d9e..78bb7c7005 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit 9611622d9e7eac0d2000cd42452ea8e03d92ec6e
+Subproject commit 78bb7c7005a59d865540c8e1189aa0637894a627