Update docs/tutorial-for-unity.md

Co-authored-by: jdrueckert <[email protected]>

docs/tutorial-for-unity.md

@@ -20,7 +20,7 @@ For example, a highPass node uses `_SceneColor` as input, then a bloom node uses
 
 The Unity equivalent of `_SceneColor` is the scene texture.
 The highpass node is used to grab a light area and send it to the blur node to achieve the bright area of a bloom effect.
-it's being used for **InitialPostProcessingNode** as input for final FBO which is the final output of the camera.
+It's being used for **InitialPostProcessingNode** as the input for the final FBO, which is the final output of the camera.
 
 ## How to create a FBO