Update README.md

Author: IPvZero

README.md

@@ -25,9 +25,12 @@ To change the configurations simply enter the ```host_vars``` directory and modi
 
 To execute the script:
 ```python3 xr-demo.py```
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 To manually log into the XR Always-On Sandbox and run show commands for verification:
 ```ssh admin@sbx-iosxr-mgmt.cisco.com -p 8181```