Fix grammatical mistakes in `simple_keyword_cypher.py` (#6385)

* Fixed grammitical mistake

* Update ciphers/simple_keyword_cypher.py

Co-authored-by: Caeden Perelli-Harris <[email protected]>

Co-authored-by: Christian Clauss <[email protected]>
Co-authored-by: Caeden Perelli-Harris <[email protected]>

Itssxxsalman committed 3y ago

2d3985006f0c88e339a900caa4974493bc6fa861

Parent: 7b7b3dd

Committed by GitHub <[email protected]> on 10/30/2022, 7:03:28 AM