Describe pattern matching as simpler

Author: josevalim

lib/elixir/pages/anti-patterns/code-anti-patterns.md

@@ -436,7 +436,7 @@ iex> Graphics.plot(point_3d)
 
 Overall, the usage of `map.key` and `map[:key]` encode important information about your data structure, allowing developers to be clear about their intent. See both `Map` and `Access` module documentation for more information and examples.
 
-Another alternative to refactor this anti-pattern is to use pattern matching:
+An even simpler alternative to refactor this anti-pattern is to use pattern matching:
 
 ```elixir
 defmodule Graphics do
@@ -461,6 +461,8 @@ iex> Graphics.plot(point_3d)
 {5, 6, nil}
 ```
 
+Pattern-matching is specially useful when matching over multiple keys at once and also when you want to match and assert on the values of a map.
+
 Another alternative is to use structs. By default, structs only support static access to its fields:
 
 ```elixir