diff --git a/doc b/doc
index 1f843bcd07..6ccf06f0f6 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit 1f843bcd074e8b72da60c0d1519b90e5ee110365
+Subproject commit 6ccf06f0f6b0c24f120160aeb05307e4c4a44975