diff --git a/doc b/doc
index 506f2689fb..ea1821ff45 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit 506f2689fb93c0da61bda5b4547462abffad2632
+Subproject commit ea1821ff45d4998b3a9d088766f8ae9b0066b428