diff --git a/src/doc/book b/src/doc/book
index 979c56634f3..e6d6caab414 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
-Subproject commit 979c56634f3fe594c9554c555eee29311d7d4a50
+Subproject commit e6d6caab41471f7115a621029bd428a812c5260e
diff --git a/src/doc/reference b/src/doc/reference
index 2d23ea601f0..516549972d6 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
-Subproject commit 2d23ea601f017c106a2303094ee1c57ba856d246
+Subproject commit 516549972d61c8946542d1a34afeae97167ff77b