   @doc """
   Receives a list of tuples and deletes the first tuple
   where the item at `position` matches the
-  given `item`. Returns the new list.
+  given `key`. Returns the new list.
 
   ## Examples
 

  @doc """
  Receives a list of tuples and returns `true` if there is
  a tuple where the item at `position` in the tuple matches
  the given `item`.

  ## Examples


  @doc """
  Receives a list of tuples and returns the first tuple
  where the item at `position` in the tuple matches the
  given `key`.

  ## Examples

