Update README

Author: JeroenDeDauw

README.md

@@ -99,7 +99,7 @@ for the [Maps](https://github.com/JeroenDeDauw/Maps) and
 * Added return type hints
 * Added nullable type hints
 * Made constant visibility explicit
-* The `LatLongValue` constructor now throws an `InvalidArgumentException` instead of an `OutOfRangeException`
+* Constructing an invalid `LatLongValue` now causes `InvalidArgumentException` instead of `OutOfRangeException`
 
 ### 3.0.0 (2018-03-20)