diff --git a/src/doc/nomicon b/src/doc/nomicon
index 18422578149..83d015105e6 160000
--- a/src/doc/nomicon
+++ b/src/doc/nomicon
@@ -1 +1 @@
-Subproject commit 1842257814919fa62e81bdecd5e8f95be2839dbb
+Subproject commit 83d015105e6d490fc30d6c95da1e56152a50e228
diff --git a/src/doc/reference b/src/doc/reference
index cd8193e972f..692d216f5a1 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
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+Subproject commit 692d216f5a1151e8852ddb308ba64040e634c876
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
index a6581246f96..da0a06aada3 160000
--- a/src/doc/rust-by-example
+++ b/src/doc/rust-by-example
@@ -1 +1 @@
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+Subproject commit da0a06aada31a324ae84a9eaee344f6a944b9683
diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide
index ddb8b1309f9..904bb5aa7b2 160000
--- a/src/doc/rustc-dev-guide
+++ b/src/doc/rustc-dev-guide
@@ -1 +1 @@
-Subproject commit ddb8b1309f9e905804cea1e248a4572fed6b464b
+Subproject commit 904bb5aa7b21adad58ffae610e2830c7b0f813b0