Stabilize doc_alias feature

2 files changed, 14 insertions, 16 deletions

diff --git a/src/doc/rustdoc/src/advanced-features.md b/src/doc/rustdoc/src/advanced-features.md
index 7c12d23e649..c9a0dff5ab3 100644
--- a/src/doc/rustdoc/src/advanced-features.md
+++ b/src/doc/rustdoc/src/advanced-features.md
@@ -32,3 +32,17 @@ pub struct UnixToken;
 
 Here, the respective tokens can only be used by dependent crates on their respective platforms, but
 they will both appear in documentation.
+
+## Add aliases for an item in documentation search
+
+This feature allows you to add alias(es) to an item when using the `rustdoc` search through the
+`doc(alias)` attribute. Example:
+
+```rust,no_run
+#[doc(alias = "x")]
+#[doc(alias = "big")]
+pub struct BigX;
+```
+
+Then, when looking for it through the `rustdoc` search, if you enter "x" or
+"big", search will show the `BigX` struct first.
diff --git a/src/doc/rustdoc/src/unstable-features.md b/src/doc/rustdoc/src/unstable-features.md
index 2f49fc8a415..cd8edbcd1a4 100644
--- a/src/doc/rustdoc/src/unstable-features.md
+++ b/src/doc/rustdoc/src/unstable-features.md
@@ -207,22 +207,6 @@ issue][issue-include].
 [unstable-include]: ../unstable-book/language-features/external-doc.html
 [issue-include]: https://github.com/rust-lang/rust/issues/44732
 
-### Add aliases for an item in documentation search
-
-This feature allows you to add alias(es) to an item when using the `rustdoc` search through the
-`doc(alias)` attribute. Example:
-
-```rust,no_run
-#![feature(doc_alias)]
-
-#[doc(alias = "x")]
-#[doc(alias = "big")]
-pub struct BigX;
-```
-
-Then, when looking for it through the `rustdoc` search, if you enter "x" or
-"big", search will show the `BigX` struct first.
-
 ## Unstable command-line arguments
 
 These features are enabled by passing a command-line flag to Rustdoc, but the flags in question are