Update README.md

Author: arimger

README.md

@@ -22,14 +22,14 @@ Unity 2018.x or newer
 
 - Install Editor Toolbox package:
 	- 1 way: Find Unity Package Manager (Window/Package Manager) and add package using this git URL:
-	```
-	https://github.com/arimger/Unity-Editor-Toolbox.git#upm
-	```
+        ```
+        https://github.com/arimger/Unity-Editor-Toolbox.git#upm
+        ```
 	- 2 way: Copy and paste `Assets/Editor Toolbox` directory into your project (Assets/...) + add dependencies
 	- 3 way: Install via [OpenUPM registry](https://openupm.com):
-	```
-	openupm add com.browar.editor-toolbox
-	```
+        ```
+        openupm add com.browar.editor-toolbox
+        ```
 - Open Edit/Project Settings/Editor Toolbox window
 - If settings file is not found, press the "Refresh" button or create a new one
 - Manage settings in your way