Fix unicode character

Author: SimonDarksideJ

articles/tutorials/building_2d_games/20_implementing_ui_with_gum/index.md

@@ -17,7 +17,7 @@ In this chapter you will:
 > [!IMPORTANT]
 > While GUM is used in this tutorial it is only one of many UI libraries available to the MonoGame community, some notable others are [EmptyKeys](https://github.com/EmptyKeys/UI_Engines), [GeonBit.UI](https://github.com/RonenNess/GeonBit.UI), as well as entire Game Frameworks/Engines like [Nez}(https://github.com/prime31/Nez) that have their own built in UI systems.
 >
-> Check out the [MonoGame Resources](https://monogame.net/resources/) page, as well as [awesome-monogame](https://github.com/aloisdeniel/awesome-monogame) from [Alo�s Deniel](https://github.com/aloisdeniel) for even more community offerings.
+> Check out the [MonoGame Resources](https://monogame.net/resources/) page, as well as [awesome-monogame](https://github.com/aloisdeniel/awesome-monogame) from [Alois Deniel](https://github.com/aloisdeniel) for even more community offerings.
 
 ## What is Gum?