removed not needed lib.literalExpression from module doc

nix/nixos-modules/options.nix

@@ -21,9 +21,7 @@
           This is used by other option{x-banananetwork} modules.
         '';
         type = with lib.types; nullOr str;
-        example = lib.literalExpression ''
+        example = "ssh-ed25519 …";
-          ssh-ed25519 …
-        '';
       };
 
       sshPublicKeys = lib.mkOption {
@@ -33,9 +31,7 @@
           This is used by other option{x-banananetwork} modules.
         '';
         type = with lib.types; listOf str;
-        example = lib.literalExpression ''
+        example = [ "ssh-ed25519 ..." ];
-          [ "ssh-ed25519 ..." ]
-        '';
       };
 
       userName = lib.mkOption {
@@ -43,7 +39,7 @@
           my username for most/all uses
         '';
         type = lib.types.str;
-        example = lib.literalExpression "zocker";
+        example = "zocker";
       };
 
     };

nix/nixos-modules/secrix.nix

@@ -33,7 +33,7 @@ in
         '';
         type = with lib.types; nullOr str;
         default = null;
-        example = lib.literalExpression "rsa";
+        example = "rsa";
       };
 
     };