diff --git a/src/doc/nomicon b/src/doc/nomicon
index f6bd083c4ccfc..6bc2415218d4d 160000
--- a/src/doc/nomicon
+++ b/src/doc/nomicon
@@ -1 +1 @@
-Subproject commit f6bd083c4ccfc4ce6699b8b4154e3c45c5a27a8c
+Subproject commit 6bc2415218d4dd0cb01433d8320f5ccf79c343a1
diff --git a/src/doc/reference b/src/doc/reference
index 3565c7978cfc9..8c77e8be9da1a 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
-Subproject commit 3565c7978cfc9662f5963b135690ff9cbbfa0318
+Subproject commit 8c77e8be9da1a9c70545556218d563c8d061f1fd
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
index c0be6299e52e4..ddf5cb0e6ee54 160000
--- a/src/doc/rust-by-example
+++ b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit c0be6299e52e4164c30ba6f41bd0ad0aaee64972
+Subproject commit ddf5cb0e6ee54ba2dd84c8ca3e1314120014e20d
diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide
index d13e85152a977..4af29d1a7f64f 160000
--- a/src/doc/rustc-dev-guide
+++ b/src/doc/rustc-dev-guide
@@ -1 +1 @@
-Subproject commit d13e85152a977cd0bcaf583cf5f49e86225697de
+Subproject commit 4af29d1a7f64f88a36539662c6a84fe1fbe6cde1