diff --git a/doc b/doc
index b49a36577b..6c4aa5d485 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit b49a36577bd3b02db570e6dee682cec0176bf26f
+Subproject commit 6c4aa5d4851427f6dce70ad60cf09cca04a1bf05