Merge pull request 4GeeksAcademy#67 from dsilva06/id-selector

stiles to styles

Author: tommygonzaleza

exercises/04.3-id-Selector/README.md

@@ -4,7 +4,7 @@ tutorial: "https://www.youtube.com/watch?v=9906LCSQJ8M"
 
 # `04.3` The ID CSS Selector
 
-You can also select an element by `#id` and apply stiles to it.
+You can also select an element by `#id` and apply styles to it.
 
 ## The `#id` selector