diff --git a/src/doc/book b/src/doc/book
index cf2653a5ca5..36383b4da21 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
-Subproject commit cf2653a5ca553cbbb4a17f1a7db1947820f6a775
+Subproject commit 36383b4da21dbd0a0781473bc8ad7ef0ed1b6751
diff --git a/src/doc/nomicon b/src/doc/nomicon
index 70db9e4189f..8d1e4dccf71 160000
--- a/src/doc/nomicon
+++ b/src/doc/nomicon
@@ -1 +1 @@
-Subproject commit 70db9e4189f64d1d8e2451b1046111fb356b6dc2
+Subproject commit 8d1e4dccf71114ff56f328f671f2026d8e6b62a2
diff --git a/src/doc/reference b/src/doc/reference
index 9fce337a55e..a92be0fef43 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
-Subproject commit 9fce337a55ee4a4629205f6094656195cecad231
+Subproject commit a92be0fef439b3d8e0468d82cb24812d303520a0
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
index 83724ca387a..3155db49b0d 160000
--- a/src/doc/rust-by-example
+++ b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit 83724ca387a2a1cd3e8d848f62820020760e358b
+Subproject commit 3155db49b0d57cd82c65456ac210b69ecec5ccb1
diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide
index eb83839e903..d5201cddace 160000
--- a/src/doc/rustc-dev-guide
+++ b/src/doc/rustc-dev-guide
@@ -1 +1 @@
-Subproject commit eb83839e903a0a8f1406f7e941886273f189b26b
+Subproject commit d5201cddace979b299ec1bf9fd8997338151aa9d