Fix typos: langer -> larger, in -> it, scoll -> scroll

Author: delirious-lettuce

prompt_toolkit/layout/menus.py

@@ -207,7 +207,7 @@ class MultiColumnCompletionMenuControl(UIControl):
  arrow is shown on the left or right side.
 
  `min_rows` indicates how many rows will be available in any possible case.
- When this is langer than one, in will try to use less columns and more
+ When this is larger than one, it will try to use less columns and more
  rows until this value is reached.
  Be careful passing in a too big value, if less than the given amount of
  rows are available, more columns would have been required, but
@@ -384,7 +384,7 @@ def _get_menu_item_fragments(self, completion, is_current_completion, width):
 
  def mouse_handler(self, mouse_event):
  """
- Handle scoll and click events.
+ Handle scroll and click events.
  """
  b = get_app().current_buffer