diff --git a/doc b/doc
index 1e724c819a..6b22175718 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit 1e724c819a6a551a46a1ffe11bf09e6287f20376
+Subproject commit 6b22175718f107dc6fb9ed17704ed7f2cff8badf