Update README.md

Author: IntoTheDev

README.md

@@ -15,7 +15,7 @@ or
 Open the manifest.json file of your Unity project.
 Add ```"com.intothedev.loader": "https://github.com/IntoTheDev/Scriptable-Object-Loader.git"```
 
-### Manual Installation
+### Manual Installation (Version can be outdated)
 Download latest package from the Release section
 Import Storage.unitypackage to your Unity Project