diff --git a/doc b/doc
index e38523b0ed..6473776663 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit e38523b0edf6dd1373b116bb46e16f89420e0e70
+Subproject commit 6473776663085c9a72c875d3df6d3c3db05cf0e3