diff --git a/cmd/gotop/main.go b/cmd/gotop/main.go
index 4ce78ba..f6b6dfc 100644
--- a/cmd/gotop/main.go
+++ b/cmd/gotop/main.go
@@ -28,8 +28,6 @@ import (
 
 const (
 	appName = "gotop"
-	// TODO: Set this at compile time; having to check this in sucks.
-	version = "3.4.5"
 
 	graphHorizontalScaleDelta = 3
 	defaultUI                 = "cpu\ndisk/1 2:mem/2\ntemp\nnet procs"
@@ -39,6 +37,8 @@ const (
 )
 
 var (
+	// TODO: Set this at compile time; having to check this in sucks.
+	Version      = "3.4.5"
 	conf         gotop.Config
 	help         *w.HelpMenu
 	bar          *w.StatusBar
@@ -50,7 +50,6 @@ var (
 // TODO: state:merge #135 linux console font (cmatsuoka/console-font)
 // TODO: state:deferred 157 FreeBSD fixes & Nvidia GPU support (kraust/master). Significant CPU use impact for NVidia changes.
 // TODO: Virtual devices from Prometeus metrics @feature
-// TODO: state:merge #167 configuration file (jrswab/configFile111)
 // TODO: Abstract out the UI toolkit.  mum4k/termdash, VladimirMarkelov/clui, gcla/gowid, rivo/tview, marcusolsson/tui-go might work better for some OS/Archs. Performance/memory use comparison would be interesting.
 func parseArgs(conf *gotop.Config) error {
 	usage := `
@@ -97,7 +96,7 @@ Colorschemes:
 		return err
 	}
 
-	args, err := docopt.ParseArgs(usage, os.Args[1:], version)
+	args, err := docopt.ParseArgs(usage, os.Args[1:], Version)
 	if err != nil {
 		return err
 	}
diff --git a/devices/cpu.go b/devices/cpu.go
index 436ccb1..1d8d23d 100644
--- a/devices/cpu.go
+++ b/devices/cpu.go
@@ -1,5 +1,7 @@
 package devices
 
+// TODO: https://github.com/elastic/go-sysinfo
+
 import (
 	"log"
 	"time"
diff --git a/docs/releasing.md b/docs/releasing.md
index 643bc9f..4c6583c 100644
--- a/docs/releasing.md
+++ b/docs/releasing.md
@@ -14,3 +14,15 @@ credentials to aurpublish to the AUR repository, so the final publish step is
 still currently manual.
 
 Oh, what a tangled web.
+
+
+Nix adds new and interesting complexities to the release.
+
+1. cd to the nixpkgs directory
+2. docker run -it --rm --mount type=bind,source="\$(pwd)",target=/mnt nixos/nix sh
+3. cd /mnt
+4. nix-prefetch-url --unpack https://github.com/xxxserxxx/gotop/archive/v3.3.2.tar.gz
+5. Copy the sha256
+6. Update the version and hash in nixpkgs/pkgs/tools/system/gotop/default.nix
+8. In docker, install & run vgo2nix to update deps.nix
+7. nix-build -A gotop