diff --git a/doc b/doc
index 9c7239ac84..2028b2a73a 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit 9c7239ac845eb142d6d1cd8a3f9d5b8e0dbffd1a
+Subproject commit 2028b2a73ae9c4ab4a98a84d8d90c79bd5baa539