Typo in examples

[peternewman]

Please provide us with the following information:

This issue is for a: (mark with an x)

- [x] bug report -> please search issues before submitting
- [ ] feature request
- [ ] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)

Minimal steps to reproduce

See https://github.com/Azure-Samples/AzureStack-AdminPowerShell-OMSIntegration/search?q=onmicrsoft.com&unscoped_q=onmicrsoft.com

Any log messages given by the failure

Expected/desired behavior

onmicrosoft.com

Found while investigating codespell-project/codespell#676

[IanB111]

Corrected the spelling in the examples

[peternewman]

Thanks @IanB111 !