fix typo

Author: Spencer Miller

README.md

@@ -8,7 +8,7 @@
 [![image](https://img.shields.io/badge/pypi-3775A9?style=for-the-badge&logo=pypi&logoColor=white)](https://pypi.org/project/coti-sdk/)
 [![image](https://img.shields.io/badge/Python-FFD43B?style=for-the-badge&logo=python&logoColor=blue)](https://www.python.org/downloads/release/python-31014/)
 
-Welcome to the official COTI Python SDK, a powerful SDK that allows developers to encrypt transaction inputs and decrypt of encrypted data on the COTI blockchain.
+Welcome to the official COTI Python SDK, a powerful SDK that allows developers to encrypt transaction inputs and decrypt encrypted data on the COTI blockchain.
 
 ## Documentation