Fixed a typo in play-mode-scenario-about.md (#1466)

Co-authored-by: Amy Reeve <amy.reeve@unity3d.com>

Author: zmarx

mppm/play-mode-scenario/play-mode-scenario-about.md

@@ -9,7 +9,7 @@ You can use Play Mode Scenarios to test multiplayer gameplay on different platfo
 
 ## Compatibility
 
-Play Mode Scenareios supports the following platforms: 
+Play Mode Scenarios supports the following platforms: 
 
 * Windows
 * Linux
@@ -20,4 +20,4 @@ Play Mode Scenareios supports the following platforms:
 * [Play Mode Scenarios requirements and limitations](play-mode-scenario-req.md)
 * [Play Mode scenario window reference](mppm-reference/play-mode-scenario-window-reference.md)
 * [Unity Gaming Services (UGS) Multiplay Hosting](https://docs.unity.com/ugs/en-us/manual/game-server-hosting/manual/welcome-to-multiplay)
-* [Dedicated Server](https://docs.unity3d.com/Manual/dedicated-server.html)
+* [Dedicated Server](https://docs.unity3d.com/Manual/dedicated-server.html)