diff --git a/src/doc/book b/src/doc/book
index 71352deb207..19c40bfd2d5 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
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diff --git a/src/doc/edition-guide b/src/doc/edition-guide
index 76bd48a273a..e1eead1181a 160000
--- a/src/doc/edition-guide
+++ b/src/doc/edition-guide
@@ -1 +1 @@
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diff --git a/src/doc/reference b/src/doc/reference
index 8227666de13..3417f866932 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
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diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
index e188d5d466f..57f1e708f5d 160000
--- a/src/doc/rust-by-example
+++ b/src/doc/rust-by-example
@@ -1 +1 @@
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diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide
index 1f30cc7cca9..7b0ef5b0bea 160000
--- a/src/doc/rustc-dev-guide
+++ b/src/doc/rustc-dev-guide
@@ -1 +1 @@
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