nit(http/prom): nitpick a todo comment

cratelyn · cratelyn · commit 0b165b6edef9 · 2025-11-17T13:28:28.000-05:00
Signed-off-by: katelyn martin &lt;kate@buoyant.io&gt;
diff --git a/linkerd/http/prom/src/status.rs b/linkerd/http/prom/src/status.rs
@@ -258,13 +258,14 @@ where
     L: Clone + Hash + Eq + Send + Sync + 'static,
 {
     fn on_eos(eos: EosRef<'_, Error>, mut stream_label: SL, metrics: StatusMetrics<L>) {
-        let ugh = RequestCancelled.into(); // XXX(kate)
+        // TODO(kate): a static cancellation error. see linkerd/linkerd2-proxy#4306.
+        let cancelled = RequestCancelled.into();
 
         stream_label.end_response(match eos {
             EosRef::None => Ok(None),
             EosRef::Trailers(trls) => Ok(Some(trls)),
             EosRef::Error(error) => Err(error),
-            EosRef::Cancelled => Err(&ugh),
+            EosRef::Cancelled => Err(&cancelled),
         });
 
         let labels = stream_label.status_labels();
