docs(workarounds): clarify removal and recovery conditions

overlays/README.md

@@ -58,5 +58,5 @@ This overlay provides:
 - `computer-use-linux.nix`: packages `pkgs/computer-use-linux`.
 - `cua-driver.nix`: packages `pkgs/cua-driver` (used by the computer-use VMs).
 - `smartctl-exporter/`: pins `prometheus-smartctl-exporter` to the upstream commit carrying PR
-  [#329](https://github.com/prometheus-community/smartctl_exporter/pull/329) until smartctl_exporter
-  0.15.0 is released; see `overlays/smartctl-exporter/default.nix`.
+  [#329](https://github.com/prometheus-community/smartctl_exporter/pull/329) until nixpkgs provides
+  a version containing the fix; see `overlays/smartctl-exporter/default.nix`.

overlays/smartctl-exporter/default.nix

@@ -6,8 +6,8 @@
 #
 # Pin the package to the upstream commit that carries the fix (PR #329, merged
 # 2026-09-28, then included in the "Update Go (#391)" commit below) instead of
-# backporting it as a patch. Drop this overlay once smartctl_exporter 0.15.0 is
-# released and packaged in nixpkgs:
+# backporting it as a patch. Drop this overlay once nixpkgs provides a version
+# containing the #329 fix:
 #   https://github.com/prometheus-community/smartctl_exporter/pull/329
 _: _final: prev: {
   prometheus-smartctl-exporter = prev.prometheus-smartctl-exporter.overrideAttrs (_prev: {