diff --git a/doc b/doc
index 408173c541..ac2bc7a372 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit 408173c541262ffdb322c19ce155a339515ffcc8
+Subproject commit ac2bc7a37292edc504ce0ab8dffec1b8a11c1f63