Merge pull request #2900 from tndhl/fix-typo-overview-fun-hofs

Fix typo in `overviews/scala3-book/fun-hofs.md`

Author: Philippus

_overviews/scala3-book/fun-hofs.md

@@ -91,7 +91,7 @@ To create a method that takes a function parameter, all you have to do is:
 1. In your method’s parameter list, define the signature of the function you want to accept
 2. Use that function inside your method
 
-To demonstrate this, here’s a method that that takes an input parameter named `f`, where `f` is a function:
+To demonstrate this, here’s a method that takes an input parameter named `f`, where `f` is a function:
 
 {% tabs sayHello-definition %}
 {% tab 'Scala 2 and 3' %}