diff --git a/doc b/doc
index 3b292fa792..ca1acf17fc 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit 3b292fa792d5a0c8a67d9ecd8ce3f3b14749449f
+Subproject commit ca1acf17fc0a48b20e3d0eb0da81609b94f322ab