diff --git a/src/doc/reference b/src/doc/reference
index 7446bf9697c95..d2715c07e9dd9 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
-Subproject commit 7446bf9697c95d155eef33c6a9d91fbd29a5e359
+Subproject commit d2715c07e9dd9839c0c7675ecfa18bec539a6ee9
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
index 5383db524711c..b31e3b8da01ee 160000
--- a/src/doc/rust-by-example
+++ b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit 5383db524711c0c9c43c3ca9e5e706089672ed6a
+Subproject commit b31e3b8da01eeba0460f86a52a55af82709fadf5