diff --git a/src/doc/book b/src/doc/book
index 21a2ed14f4480..0510ca84c2ce6 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
-Subproject commit 21a2ed14f4480dab62438dcc1130291bebc65379
+Subproject commit 0510ca84c2ce6bf93c4ccf9248756e9e4fd00b12
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
index cfbfd648ce339..ba84bf35d0f17 160000
--- a/src/doc/rust-by-example
+++ b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit cfbfd648ce33926c3490f24de9a5b56cce404b88
+Subproject commit ba84bf35d0f17d404003349309201654d25f61af
diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide
index d08baa166b463..fca8af6c154c6 160000
--- a/src/doc/rustc-dev-guide
+++ b/src/doc/rustc-dev-guide
@@ -1 +1 @@
-Subproject commit d08baa166b463537229eeb737c4ccadabd83cf78
+Subproject commit fca8af6c154c6cde2512f1331cf2704f214a818e