diff --git a/src/doc/book b/src/doc/book
index de0dbffc581..d9415b7cbfc 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
-Subproject commit de0dbffc5812fd885700874e8d258dd334733ac4
+Subproject commit d9415b7cbfcb4b24062683f429bd0ff535396362
diff --git a/src/doc/nomicon b/src/doc/nomicon
index c7d8467ca91..10d40c59a58 160000
--- a/src/doc/nomicon
+++ b/src/doc/nomicon
@@ -1 +1 @@
-Subproject commit c7d8467ca9158da58ef295ae65dbf00a308752d9
+Subproject commit 10d40c59a581c66d8ecd29ad18d410bf97ed524d
diff --git a/src/doc/reference b/src/doc/reference
index b5f6c2362ba..8e36971959f 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
-Subproject commit b5f6c2362baf932db9440fbfcb509b309237ee85
+Subproject commit 8e36971959ff238b5aa2575fbc7a2e09e1313e82
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
index 44a80e8d8bf..e9f93cfcf41 160000
--- a/src/doc/rust-by-example
+++ b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit 44a80e8d8bfc5881c9bd69a2cb3a570776ee4181
+Subproject commit e9f93cfcf410bc092c9107b8a41a82f144c761f2
diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide
index 043e60f4f19..0c02acdb6f4 160000
--- a/src/doc/rustc-dev-guide
+++ b/src/doc/rustc-dev-guide
@@ -1 +1 @@
-Subproject commit 043e60f4f191651e9f8bf52fa32df14defbb23d9
+Subproject commit 0c02acdb6f48f03907a02ea8e537c3272b4fde9f