Update readme.md

Author: bastianallgeier

readme.md

@@ -17,6 +17,14 @@ geo::point([49.4883333, 8.4647222]);
 geo::point(['lat' => 49.4883333, 'lng' => 8.4647222]);
 ```
 
+Afterwards you can get the latitude and longitude values of the point like this: 
+
+```php
+$point = geo::point(49.4883333, 8.4647222);
+echo $point->lat();
+echo $point->lng();
+```
+
 ### geo::distance
 
 Returns the distance between two geo points.
@@ -144,4 +152,4 @@ echo $page->location()->niceDistance($hamburg);
 
 ## Author
 
-Bastian Allgeier <https://getkirby.com>
+Bastian Allgeier <https://getkirby.com>