Remove incorrect hyphenation because not adjective

(cherry picked from commit ac127d5af6e3bd97819da6c7140616dd0ccb33cc)

getting_started/step_by_step/instancing_continued.rst

@@ -44,7 +44,7 @@ A lot of time spent in programming games (or software in general) is on
 designing an architecture and fitting game components to that architecture.
 Designing based on scenes replaces that approach and makes development much
 faster and more straightforward, allowing you to concentrate on the game logic
-itself. Because most game components map directly to a scene, using a design-based on scene instantiation means little other architectural code is needed.
+itself. Because most game components map directly to a scene, using a design based on scene instantiation means little other architectural code is needed.
 
 Let's take a look at one more, somewhat more complex, example of an open-world
 type game with lots of assets and nested elements: