diff --git a/src/doc/book b/src/doc/book
index 9bd223ca406b1..a2c56870d4dc5 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
-Subproject commit 9bd223ca406b1170a24942d6474f9e8a56f4a420
+Subproject commit a2c56870d4dc589237102cc5e0fe7b9ebd0d14a1
diff --git a/src/doc/nomicon b/src/doc/nomicon
index d08fe97d12b41..616b98444ff4e 160000
--- a/src/doc/nomicon
+++ b/src/doc/nomicon
@@ -1 +1 @@
-Subproject commit d08fe97d12b41c1ed8cc7701e545864132783941
+Subproject commit 616b98444ff4eb5260deee95ee3e090dfd98b947
diff --git a/src/doc/reference b/src/doc/reference
index 516549972d61c..acedc32cacae8 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
-Subproject commit 516549972d61c8946542d1a34afeae97167ff77b
+Subproject commit acedc32cacae80cf2f4925753a4ce7f7ffd7c86a