diff --git a/src/doc/book b/src/doc/book
index d207d894cc5e1..bebcf527e6775 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
-Subproject commit d207d894cc5e1d496ab99beeacd1a420e5d4d238
+Subproject commit bebcf527e67755a989a1739b7cfaa8f0e6b30040
diff --git a/src/doc/embedded-book b/src/doc/embedded-book
index aa7d4b0b4653d..17842ebb050f6 160000
--- a/src/doc/embedded-book
+++ b/src/doc/embedded-book
@@ -1 +1 @@
-Subproject commit aa7d4b0b4653ddb47cb1de2036d090ec2ba9dab1
+Subproject commit 17842ebb050f62e40a4618edeb8e8ee86e758707
diff --git a/src/doc/reference b/src/doc/reference
index 5854fcc286557..51817951d0d21 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
-Subproject commit 5854fcc286557ad3ab34d325073d11d8118096b6
+Subproject commit 51817951d0d213a0011f82b62aae02c3b3f2472e
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
index 60d34b5fd33db..229ad13b64d91 160000
--- a/src/doc/rust-by-example
+++ b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit 60d34b5fd33db1346f9aabfc0c9d0bda6c8e42be
+Subproject commit 229ad13b64d919b12e548d560f06d88963b25cd3
diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide
index 07425fed36b00..2d1947ff34d50 160000
--- a/src/doc/rustc-dev-guide
+++ b/src/doc/rustc-dev-guide
@@ -1 +1 @@
-Subproject commit 07425fed36b00e60341c5e29e28d37d40cbd4451
+Subproject commit 2d1947ff34d50ca46dfe242ad75531a4c429bb52