Update _overviews/scala3-macros/tutorial/macros.md

Yes, I've noticed that as well. Even on this page sometimes "compile time" is used, in other places "compile-time". It's not used consistently. I am not sure which version is the correct one. It's one of those things.

Co-authored-by: Julien Richard-Foy <[email protected]>

Author: boggye

_overviews/scala3-macros/tutorial/macros.md

@@ -20,7 +20,7 @@ A Scala expression with type `T` is represented by an instance of the type `scal
 We will dig into the details of the type `Expr[T]`, as well as the different ways of analyzing and constructing instances, when talking about [Quoted Code][quotes] and [Reflection][tasty].
 For now, it suffices to know that macros are metaprograms that manipulate expressions of type `Expr[T]`.
 
-The following macro implementation prints the expression of the provided argument at compile time:
+The following macro implementation prints the expression of the provided argument at compile-time:
 ```scala
 import scala.quoted.* // imports Quotes, Expr