replaced cybersource to CyberSource

Author: monu-kumar-visa

README.md

@@ -11,7 +11,7 @@ The CyberSource Python client provides convenient access to the [CyberSource RES
 
 ## Installation
 
-* Install the Cybersource Python client using the below command
+* Install the CyberSource Python client using the below command
 
     ```bash
     pip install cybersource-rest-client-python
@@ -76,7 +76,7 @@ Further information on MetaKey can be found in [New Business Center User Guide](
 
 ### Switching between the sandbox environment and the production environment
 
-Cybersource maintains a complete sandbox environment for testing and development purposes. This sandbox environment is an exact duplicate of our production environment with the transaction authorization and settlement process simulated. By default, this SDK is configured to communicate with the sandbox environment. To switch to the production environment, set the `run_environment` property in the SDK Configuration.  See our sample at <https://github.com/CyberSource/cybersource-rest-samples-python/blob/master/data/Configuration.py>
+CyberSource maintains a complete sandbox environment for testing and development purposes. This sandbox environment is an exact duplicate of our production environment with the transaction authorization and settlement process simulated. By default, this SDK is configured to communicate with the sandbox environment. To switch to the production environment, set the `run_environment` property in the SDK Configuration.  See our sample at <https://github.com/CyberSource/cybersource-rest-samples-python/blob/master/data/Configuration.py>
 
 ```python
     # For TESTING use