diff --git a/doc b/doc
index 8f2d415..e22ab64 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit 8f2d4153f1cf75e79500f68742c18004f84cf614
+Subproject commit e22ab64cce19ec22c1fcc699d65a824f74a66998