docs: nicer Nix installation (#216)

spacedentist · web-flow · commit f87f3a5e8c25 · 2025-04-20T16:22:29.000+01:00
diff --git a/README.md b/README.md
@@ -24,8 +24,10 @@ brew install spr
 
 #### Using Nix
 
+spr is available in nixpkgs
+
 ```shell
-nix-channel --update && nix-env -i spr
+nix run nixpkgs#spr
 ```
 
 #### Using Cargo
diff --git a/docs/user/installation.md b/docs/user/installation.md
@@ -10,8 +10,10 @@ brew install spr
 
 ### Using Nix
 
+spr is available in nixpkgs
+
 ```shell
-nix-channel --update && nix-env -i spr
+nix run nixpkgs#spr
 ```
 
 ### Using Cargo
