diff --git a/src/doc/book b/src/doc/book
index 8c95f8cc4383..82a4a49789bc 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
-Subproject commit 8c95f8cc4383c819cb552e651e932612fd4027b2
+Subproject commit 82a4a49789bc96db1a1b2a210b4c5ed7c9ef0c0d