docs($route): fix typo in error message

Author: petebacondarwin

docs/content/error/$route/norout.ngdoc

@@ -1,6 +1,6 @@
 @ngdoc error
 @name $route:norout
-@fullName Tried updating route when with no current route
+@fullName Tried updating route with no current route
 @description
 
 Occurs when an attempt is made to update the parameters on the current route when

src/ngRoute/route.js

@@ -605,7 +605,7 @@ function $RouteProvider() {
               // interpolate modifies newParams, only query params are left
               $location.search(newParams);
             } else {
-              throw $routeMinErr('norout', 'Tried updating route when with no current route');
+              throw $routeMinErr('norout', 'Tried updating route with no current route');
             }
           }
         };