diff --git a/handbook b/handbook
index 56ca148..1d12c63 160000
--- a/handbook
+++ b/handbook
@@ -1 +1 @@
-Subproject commit 56ca148aa0162fde5c9aa5e555bcf3379d834dcb
+Subproject commit 1d12c639534b156dc3e9beaf5098714df9ed8004