diff --git a/doc b/doc
index bca3aa1b9e..4cdc3a5151 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit bca3aa1b9ecd12c3c201b42005233e1a98590f52
+Subproject commit 4cdc3a51519a9c1d2ed84ef63cb8d3a5dccd648b