diff --git a/doc b/doc
index 7e547d3032..91cb618633 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit 7e547d303279c9ef109f37487d5558a4f4443c4e
+Subproject commit 91cb6186338f097ac4d5e660da3f73c24228a094