diff --git a/doc b/doc
index d6f0419efb..64cb714bc8 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit d6f0419efbf9c1bcb31989287ffdf0224a5b71ca
+Subproject commit 64cb714bc805156787c33cef08072cf34f1d35d3