Update navigation.md (#1252)
Update navigation.md (#1252)

The sentence above mentions that the string represents the path. But I think this will be much clearer because not everyone wants to read the text. So it's instantly recognizeable that if you just pass a simple string it's a path and not the route name.
vuejs/vue-router,Alex-Sokolov/ru.vue-router,Alex-Sokolov/ru.vue-router,vuejs/vue-router,Alex-Sokolov/ru.vue-router,vuejs/vue-router