diff --git a/angular-ui-router/angular-ui-router-tests.ts b/angular-ui-router/angular-ui-router-tests.ts
index 7ceafacd3..a05f13dd8 100644
--- a/angular-ui-router/angular-ui-router-tests.ts
+++ b/angular-ui-router/angular-ui-router-tests.ts
@@ -50,7 +50,7 @@ myApp.config((
     .state('state1.list', {
       url: "/list",
       templateUrl: "partials/state1.list.html",
-		controller: function ($scope: MyAppScope) {
+        controller: function ($scope: MyAppScope) {
         $scope.items = ["A", "List", "Of", "Items"];
       }
     })
@@ -61,7 +61,7 @@ myApp.config((
     .state('state2.list', {
       url: "/list",
         templateUrl: "partials/state2.list.html",
-		controller: function ($scope: MyAppScope) {
+        controller: function ($scope: MyAppScope) {
           $scope.things = ["A", "Set", "Of", "Things"];
         }
       })
@@ -70,7 +70,14 @@ myApp.config((
       url: "/list",
       templateUrl: "partials/state3.list.html",
       controller: function ($scope: MyAppScope) {
-      $scope.things = ["A", "Set", "Of", "Things"];
+        $scope.things = ["A", "Set", "Of", "Things"];
+      }
+    })
+    .state('state4', {
+      url: "/state4",
+      templateUrl: function($stateParams: ng.ui.IStateParamsService){
+        //Logic could go here based on $stateParams
+        return "partials/state4.html";
       }
     })
     .state('index', {
diff --git a/angular-ui-router/angular-ui-router.d.ts b/angular-ui-router/angular-ui-router.d.ts
index 913655bd4..e35f22ee0 100644
--- a/angular-ui-router/angular-ui-router.d.ts
+++ b/angular-ui-router/angular-ui-router.d.ts
@@ -16,7 +16,7 @@ declare module angular.ui {
         /**
          * String URL path to template file OR Function, returns URL path string
          */
-        templateUrl?: string | {(): string};
+        templateUrl?: string | {(params: IStateParamsService): string};
         /**
          * Function, returns HTML content string
          */
@@ -53,12 +53,12 @@ declare module angular.ui {
         abstract?: boolean;
         /**
          * Callback function for when a state is entered. Good way to trigger an action or dispatch an event, such as opening a dialog.
-         * If minifying your scripts, make sure to explictly annotate this function, because it won't be automatically annotated by your build tools.
+         * If minifying your scripts, make sure to explicitly annotate this function, because it won't be automatically annotated by your build tools.
          */
         onEnter?: Function|(string|Function)[];
         /**
          * Callback functions for when a state is entered and exited. Good way to trigger an action or dispatch an event, such as opening a dialog.
-         * If minifying your scripts, make sure to explictly annotate this function, because it won't be automatically annotated by your build tools.
+         * If minifying your scripts, make sure to explicitly annotate this function, because it won't be automatically annotated by your build tools.
          */
         onExit?: Function|(string|Function)[];
         /**
@@ -66,7 +66,7 @@ declare module angular.ui {
          */
         data?: any;
         /**
-         * Boolean (default true). If false will not retrigger the same state just because a search/query parameter has changed. Useful for when you'd like to modify $location.search() without triggering a reload.
+         * Boolean (default true). If false will not re-trigger the same state just because a search/query parameter has changed. Useful for when you'd like to modify $location.search() without triggering a reload.
          */
         reloadOnSearch?: boolean;
     }