diff --git a/src/doc/book b/src/doc/book
index a60f4316ec923..2bd5d42c99563 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
-Subproject commit a60f4316ec923a5ac2ed6a2eba6960edb832d855
+Subproject commit 2bd5d42c9956369132228da6409f0e68da56c51a
diff --git a/src/doc/nomicon b/src/doc/nomicon
index dd37e21ccee43..8ca261268068d 160000
--- a/src/doc/nomicon
+++ b/src/doc/nomicon
@@ -1 +1 @@
-Subproject commit dd37e21ccee43918ed18a71581bb2af537ffe4fc
+Subproject commit 8ca261268068d80c0969260fff15199bad87b587
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
index 995df09b65c58..8888f9428fe9a 160000
--- a/src/doc/rust-by-example
+++ b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit 995df09b65c582eb6290ab7ea5d9485983eb4c37
+Subproject commit 8888f9428fe9a48f31de6bd2cef9b9bf80791edc
diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide
index 8b42eb5f57d3d..b3e2a6e6c8a3a 160000
--- a/src/doc/rustc-dev-guide
+++ b/src/doc/rustc-dev-guide
@@ -1 +1 @@
-Subproject commit 8b42eb5f57d3d8ed2257a22d0e850d9db52afed3
+Subproject commit b3e2a6e6c8a3aae5b5d950c63046f23bae07096d