diff --git a/doc b/doc
index 5d25376..067ff23 160000
--- a/doc
+++ b/doc
@@ -1 +1 @@
-Subproject commit 5d253764e6b4e989ba4e043ef7345439a9979789
+Subproject commit 067ff23dc8b28c70d883e832dea29dbb90196154