diff --git a/src/doc/rustdoc/src/unstable-features.md b/src/doc/rustdoc/src/unstable-features.md
index 537ab48bbfc..30b3d6defb4 100644
--- a/src/doc/rustdoc/src/unstable-features.md
+++ b/src/doc/rustdoc/src/unstable-features.md
@@ -567,3 +567,10 @@ $ rustdoc src/lib.rs -Z unstable-options \
 
 The example above check every well known names (`target_os`, `doc`, `test`, ... via `names()`)
 and check the values of `feature`: `foo` and `bar`.
+
+### `--generate-link-to-definition`: Generate links on types in source code
+
+ * Tracking issue: [#89095](https://github.com/rust-lang/rust/issues/89095)
+
+This flag enables the generation of links in the source code pages which allow the reader
+to jump to a type definition.