diff --git a/doc b/doc
index 92e5541f46..f4af5cbf59 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit 92e5541f4691b35ffccfd0090d97eb028d190ede
+Subproject commit f4af5cbf59a7f5865a4721a47b7b9e81a28f270a