diff --git a/Release-checklist.md b/Release-checklist.md
index 7a287c8..391b27f 100644
--- a/Release-checklist.md
+++ b/Release-checklist.md
@@ -33,10 +33,12 @@ Note that some of these can be done concurrently.
 	- Re-triage Issues which were only reproduced on dev builds ("Repro: Affects 2.x.1 dev"), and Issues which affected cores that were updated in this release.
 1. Update `VersionInfo.MainVersion` and `VersionInfo.ReleaseDate`
 	- `ReleaseDate` is overwritten by CI for release builds, but needs to be checked-in. `MainVersion` should be set to e.g. `"2.x.2"` after releasing 2.x.1.
+	- The value is duplicated in `default.nix`, in the parameter list at the top.
 1. Update readme and other documentation pages
 	- The latest release version isn't explicitly written in any links or text in the readme, but the information itself might become outdated, especially the core list.
 	- [LuaFunctions on TASVideos Wiki](https://tasvideos.org/BizHawk/LuaFunctions)
-1. Nix stuff?
+1. Update Nix expression
+	- Mainly `Dist/historical.nix`, plus copy `Dist/deps.nix` into `Dist/deps-historical.nix` and dedup, and just bump the lists in `Dist/nix_expr_check_attrs.sh` and `Dist/nix_expr_usage_docs.md`.
 1. Hype
 	- TASVideos news, Discord, etc.