diff --git a/modules/environment/etc/default.nix b/modules/environment/etc/default.nix
index 447ecda..cdff35d 100644
--- a/modules/environment/etc/default.nix
+++ b/modules/environment/etc/default.nix
@@ -1,4 +1,4 @@
-# Copyright (c) 2019-2020, see AUTHORS. Licensed under MIT License, see LICENSE.
+# Copyright (c) 2019-2022, see AUTHORS. Licensed under MIT License, see LICENSE.
 
 { config, lib, pkgs, ... }:
 
@@ -76,7 +76,7 @@ in
       etc = mkOption {
         type = types.loaOf fileType;
         default = { };
-        example = literalExample ''
+        example = literalExpression ''
           {
             example-configuration-file = {
               source = "/nix/store/.../etc/dir/file.conf.example";
diff --git a/modules/nixpkgs/options.nix b/modules/nixpkgs/options.nix
index 586bfd5..06178d6 100644
--- a/modules/nixpkgs/options.nix
+++ b/modules/nixpkgs/options.nix
@@ -117,7 +117,7 @@ in
 
       overlays = mkOption {
         default = null;
-        example = literalExample
+        example = literalExpression
           ''
             [ (self: super: {
                 openssh = super.openssh.override {