Update docs/paper/dev/api/command-api/arguments/adventure-arguments.mdx

Co-authored-by: powercas_gamer <cas@mizule.dev>

Author: Strokkur424

docs/paper/dev/api/command-api/arguments/adventure-arguments.mdx

@@ -69,7 +69,8 @@ public static LiteralCommandNode<CommandSourceStack> keyArgument() {
 
 
 ## Named Color Argument
-This argument provides the user with the ability to select between the 16 build-in "named" text colors. This argument returns a `net.kyori.adventure.text.format.NamedtextColor` that
+This argument provides the user with the ability to select between the 16 build-in "named" text colors. This argument returns a `net.kyori.adventure.text.format.NamedTextColor` that
+
 you can use for styling components.
 
 ### Example usage