nixos/misc: fix grammar typo

Changed files
+1 -1
nixos
modules
+1 -1
nixos/modules/misc/nixpkgs.nix
···
''
else
throw ''
-
Neither ${opt.hostPlatform} nor or the legacy option ${opt.system} has been set.
You can set ${opt.hostPlatform} in hardware-configuration.nix by re-running
a recent version of nixos-generate-config.
The option ${opt.system} is still fully supported for NixOS 22.05 interoperability,
···
''
else
throw ''
+
Neither ${opt.hostPlatform} nor the legacy option ${opt.system} has been set.
You can set ${opt.hostPlatform} in hardware-configuration.nix by re-running
a recent version of nixos-generate-config.
The option ${opt.system} is still fully supported for NixOS 22.05 interoperability,