diff --git a/src/doc/unstable-book/src/from_utf8_error_as_bytes.md b/src/doc/unstable-book/src/from_utf8_error_as_bytes.md
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+++ b/src/doc/unstable-book/src/from_utf8_error_as_bytes.md
@@ -0,0 +1,7 @@
+# `from_utf8_error_as_bytes`
+
+The tracking issue for this feature is: [#40895]
+
+[#40895]: https://github.com/rust-lang/rust/issues/40895
+
+------------------------