diff --git a/doc b/doc
index c64d4171a1..159709826c 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit c64d4171a10f28558222731db1428e0266714c37
+Subproject commit 159709826c068aa042aa37328fb62711c85a38bf