Update README.md

Author: josemoracard

exercises/11-Nested_list/README.md

@@ -5,17 +5,17 @@ It is possible to find a list comprised of other lists (it is called a two-dimen
 In this example, we have a list of coordinates that you can access by doing the following:
 
 ```py
-for coordinates in coordinates_list:
-    print(coordinates)
+# The first coordinate is latitude
+latitude = coordinates_list[0][0]
+# The second coordinate is longitude
+longitude = coordinates_list[0][1]
 ```
 
 ## 📝 Instructions:
 
 1. Loop through the list, printing only the *longitudes*.
 
-## 💡 Hints:
-
-+ The structure of the coordinates is `[latitude, longitude]`.
+## 💡 Hint:
 
 + Remember, the index of the first item in a list is `list[0]`.