diff --git a/src/doc/reference b/src/doc/reference
index acedc32cacae8..3a64d817a8e4f 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
-Subproject commit acedc32cacae80cf2f4925753a4ce7f7ffd7c86a
+Subproject commit 3a64d817a8e4fd87aab19fdf25430650c0aa20ae