Fix typos: dolphine -> dolphin, kangoroo -> kangaroo

Author: delirious-lettuce

examples/prompts/multi-column-autocompletion.py

@@ -23,15 +23,15 @@
  'crocodile',
  'dinosaur',
  'dog',
- 'dolphine',
+ 'dolphin',
  'dove',
  'duck',
  'eagle',
  'elephant',
  'fish',
  'goat',
  'gorilla',
- 'kangoroo',
+ 'kangaroo',
  'leopard',
  'lion',
  'mouse',