First 2d game docs - minor typo fix (#6555)

* First 2d game typo fix

Super minor type fix for first 2d game tutorial

getting_started/first_2d_game/index.rst

@@ -34,8 +34,9 @@ recommend you to start with this one, though.
 
 **Why start with 2D?**
 
-3D games are much more complex than 2D ones. It would be best if you stuck to 2D
-until you understood the game development process and how to use Godot well.
+If you are new to game development or unfamiliar with Godot, we recommend
+starting with 2D games. This will allow you to become comfortable with both
+before tackling 3D games, which tend to be more complicated.
 
 You can find a completed version of this project at this location: