diff --git a/structure/default.nix b/structure/default.nix
index 6af794ae..46a1543b 100644
--- a/structure/default.nix
+++ b/structure/default.nix
@@ -22,62 +22,60 @@ in
     type = with types; attrsOf (submodule config.content-types.page);
   };
 
-  options.collections = mkOption
-    {
-      description = ''
-        Named collections of unnamed pages
+  options.collections = mkOption {
+    description = ''
+      Named collections of unnamed pages
 
-        Define the content type of a new collection `example` to be `article`:
+      Define the content type of a new collection `example` to be `article`:
 
-        ```nix
-        config.collections.example.type = config.types.article;
-        ```
+      ```nix
+      config.collections.example.type = config.types.article;
+      ```
 
-        Add a new entry to the `example` collection:
+      Add a new entry to the `example` collection:
 
-        ```nix
-        config.collections.example.entry = {
-          # contents here
-        }
-        ```
-      '';
-      type = with types; attrsOf (submodule ({ name, config, ... }: {
-        options = {
-          type = mkOption {
-            description = "Type of entries in the collection";
-            type = types.deferredModule;
-          };
-          name = mkOption {
-            description = "Symbolic name, used as a human-readable identifier";
-            type = types.str;
-            default = name;
-          };
-          prefixes = mkOption {
-            description = ''
-              List of historic output locations for files in the collection
-
-              The first element is the canonical location.
-              All other elements are used to create redirects to the canonical location.
-
-              The default entry is the symbolic name of the collection.
-              When changing the symbolic name, append the old one to your custom list and use `lib.mkForce` to make sure the default element will be overridden.
-            '';
-            type = with types; nonEmptyListOf str;
-            example = [ "." ];
-            default = [ config.name ];
-          };
-          entry = mkOption
-            {
-              description = "An entry in the collection";
-              type = types.collection (types.submodule ({
-                imports = [ config.type ];
-                _module.args.collection = config;
-                process-locations = ls: with lib; concatMap (l: map (p: "${p}/${l}") config.prefixes) ls;
-              }));
-            };
+      ```nix
+      config.collections.example.entry = {
+        # contents here
+      }
+      ```
+    '';
+    type = with types; attrsOf (submodule ({ name, config, ... }: {
+      options = {
+        type = mkOption {
+          description = "Type of entries in the collection";
+          type = types.deferredModule;
         };
-      }));
-    };
+        name = mkOption {
+          description = "Symbolic name, used as a human-readable identifier";
+          type = types.str;
+          default = name;
+        };
+        prefixes = mkOption {
+          description = ''
+            List of historic output locations for files in the collection
+
+            The first element is the canonical location.
+            All other elements are used to create redirects to the canonical location.
+
+            The default entry is the symbolic name of the collection.
+            When changing the symbolic name, append the old one to your custom list and use `lib.mkForce` to make sure the default element will be overridden.
+          '';
+          type = with types; nonEmptyListOf str;
+          example = [ "." ];
+          default = [ config.name ];
+        };
+        entry = mkOption {
+          description = "An entry in the collection";
+          type = types.collection (types.submodule ({
+            imports = [ config.type ];
+            _module.args.collection = config;
+            process-locations = ls: with lib; concatMap (l: map (p: "${p}/${l}") config.prefixes) ls;
+          }));
+        };
+      };
+    }));
+  };
 
   options.menus = mkOption {
     description = ''