Fix "avatar" and "amplify" spelling (#8460)

* chore: avater => avatar

* chore: aplify => amplify

Author: vmphase

developers/activities/development-guides/multiplayer-experience.mdx

@@ -83,7 +83,7 @@ const username = user.global_name ?? `${user.username}#${user.discriminator}`;
 
 #### Rendering guild-specific avatars and nicknames
 
-In order to retrieve a user's guild-specific avatar and nickname, your application must request the `guilds.members.read` scope. Note, this only grants the information for that instance of the application's user. To display the guild-specific avater/nickname for all application users, any info retrieved from `guilds.members.read` scope'd API calls must be shared via your application's server.
+In order to retrieve a user's guild-specific avatar and nickname, your application must request the `guilds.members.read` scope. Note, this only grants the information for that instance of the application's user. To display the guild-specific avatar/nickname for all application users, any info retrieved from `guilds.members.read` scope'd API calls must be shared via your application's server.
 
 Here's an example of how to retrieve the user's guild-specific avatar and nickname:
 

developers/game-development/how-to-create-a-community-for-your-game.mdx

@@ -371,7 +371,7 @@ The difference between a community that thrives and one that quietly fades comes
 
 ## Lean Into Memes and Shareable Content
 
-The most memorable communities develop their own culture, inside jokes, shared references, and memes. This can't be created artificially, your players need to latch onto something in your game that resonates with them and then build on it. Your role is to recognize when they're having fun and help aplify it. Don't attempt to force trendy memes into your community. Pay attention to the language, reactions, and jokes your players are creating and have fun with it.
+The most memorable communities develop their own culture, inside jokes, shared references, and memes. This can't be created artificially, your players need to latch onto something in your game that resonates with them and then build on it. Your role is to recognize when they're having fun and help amplify it. Don't attempt to force trendy memes into your community. Pay attention to the language, reactions, and jokes your players are creating and have fun with it.
 
 ### Custom Emojis and Stickers