docs(nix-style): allow general basename use

src/skills/style/nix/rules/general.md

@@ -15,8 +15,8 @@ Repository Nix code uses one implementation.
 
 ### Rule
 
-Use `util.removeNixSuffix` to remove a `.nix` suffix from a path.
-Do not call `builtins.baseNameOf` or `lib.removeSuffix ".nix"` outside the utility definition.
+Use `util.removeNixSuffix` to derive a Nix name from a path.
+Do not call `lib.removeSuffix ".nix"` outside the utility definition.
 
 ### Rationale