diff --git a/lib/std/Build/Step/Compile.zig b/lib/std/Build/Step/Compile.zig
index b3e56997187301389458a5e4ef0300f78aed5efe..cc0ac4e99d52b94973fd6bc5269790deff2898cf 100644
--- a/lib/std/Build/Step/Compile.zig
+++ b/lib/std/Build/Step/Compile.zig
@@ -286,6 +286,9 @@ pub const Options = struct {
     use_llvm: ?bool = null,
     use_lld: ?bool = null,
     zig_lib_dir: ?LazyPath = null,
+    /// Deprecated. This functionality will be moved to an external package:
+    /// https://codeberg.org/ziglang/rc
+    ///
     /// Embed a `.manifest` file in the compilation if the object format supports it.
     /// https://learn.microsoft.com/en-us/windows/win32/sbscs/manifest-files-reference
     /// Manifest files must have the extension `.manifest`.