fix snippet most frequent

snippets/most_frequent.md

@@ -1,19 +1,18 @@
 ---
 title: most_frequent
-tags: array,beginner
+tags: list,beginner
 ---
 
-Method return the most frequent element that appears in a `list`.
+Returns the most frequent element in a `list`.
 
-Upon calling the function, in return you a `value`, which most frequently appears in the `list`.
+Use `set(list)` to get the unique values in the `list` in combination `max()` to find the element that has the most appearances.
 
 ```py
 def most_frequent(list):
-    return max(set(list), key = list.count)
+  return max(set(list), key = list.count)
 ```
 
 ```py
 numbers = [1,2,1,2,3,2,1,4,2]
 most_frequent(numbers) #2
-```
-
+```