diff --git a/src/doc/book b/src/doc/book
index f38ce8baef9..e16dd73690a 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
-Subproject commit f38ce8baef98cb20229e56f1be2d50e345f11792
+Subproject commit e16dd73690a6cc3ecdc5f5d94bbc3ce158a42e16