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Diffstat (limited to 'nixpkgs/nixos/modules/services/networking/ndppd.nix')
-rw-r--r--nixpkgs/nixos/modules/services/networking/ndppd.nix10
1 files changed, 7 insertions, 3 deletions
diff --git a/nixpkgs/nixos/modules/services/networking/ndppd.nix b/nixpkgs/nixos/modules/services/networking/ndppd.nix
index e015f76f622b..77e979a8a424 100644
--- a/nixpkgs/nixos/modules/services/networking/ndppd.nix
+++ b/nixpkgs/nixos/modules/services/networking/ndppd.nix
@@ -43,7 +43,7 @@ let
       timeout = mkOption {
         type = types.int;
         description = ''
-          Controls how long to wait for a Neighbor Advertisment Message before 
+          Controls how long to wait for a Neighbor Advertisment Message before
           invalidating the entry, in milliseconds.
         '';
         default = 500;
@@ -51,7 +51,7 @@ let
       ttl = mkOption {
         type = types.int;
         description = ''
-          Controls how long a valid or invalid entry remains in the cache, in 
+          Controls how long a valid or invalid entry remains in the cache, in
           milliseconds.
         '';
         default = 30000;
@@ -142,7 +142,11 @@ in {
         messages, and respond to them according to a set of rules.
       '';
       default = {};
-      example = { eth0.rules."1111::/64" = {}; };
+      example = literalExample ''
+        {
+          eth0.rules."1111::/64" = {};
+        }
+      '';
     };
   };