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text/3692-feature-unification.md

@@ -117,7 +117,7 @@ This is done in the config instead of the manifest:
 
 - This keeps build/host feature unification behavior delegated to `workspace.resolver`
   - `cargo hakari` exposes multiple ways to configure this, see [unify-target-host](https://docs.rs/cargo-hakari/latest/cargo_hakari/config/index.html#unify-target-host)
-  - For Oxide this reduced build units from 1900 to 1500, dramatically improving compile times (remembered off the top of head)
+  - For Oxide this reduced build units from 1900 to 1500, dramatically improving compile times, see https://github.com/oxidecomputer/omicron/pull/4535
   - However, this required effort to make sure additional settings are unified between host and target
   - This might be somewhat related to [`-Ztarget-applies-to-host`](https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#target-applies-to-host)