Update README.md

README.md

 # SceneSwitch
 
-Allows you to switch the active Scene when a Triggervolume is entered, exited or when you stay in a trigger volume for long enough
+Allows you to switch the active Scene when a Trigger-Collider is entered, exited or when you stay in a trigger volume for a certain time.
+
+Use as follows:
 
 1. Copy the Script `Assets/SceneSwitch.cs` and `Assets/Data.cs` to your assets folder (unless you already have one e.g. from the SoundManager)
 2. Drag `SceneSwitch.cs` onto the Trigger Volume that should make the transition possible
 3. Enter a Scene Name (for the target Scene)
 4. Select a mode (On Enter, On Exit, Countdown)
-5. Drag `Data.cs` onto an empty Gameobject called "Data"
+5. Drag `Data.cs` onto an Empty Gameobject called "Data" and insert the name of the current scene in the field `Current Scene` on the Data component
 
 
 
-Data.cs is used to transfer Data between scenes
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+Data.cs is used to transfer Data between scenes and to remember which scenes have already been visited