Update README.md

Author: IntoTheDev

README.md

@@ -13,7 +13,7 @@ You need to download this package and [Odin Serializer](https://odininspector.co
 
 For saving/loading you need to create class/struct and inherit `ISerializable` interface. 
 
-Fields that you want to save/load in your class/struct must have `SerializeField` attribute. In example below, it will be `_position` and `_health` in `PlayerData` struct).
+Fields that you want to save/load in your class/struct must have `SerializeField` attribute. In example below, it will be `_position` and `_health` in `PlayerData` struct.
 
 ```csharp
 using ToolBox.Serialization;