Unable to perform SSO in react application

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### This issue is for a: (mark with an `x`)
```
- [ ] bug report -> please search issues before submitting
- [ ] feature request
- [x] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)
```

### Minimal steps to reproduce
>I just cloned your repo & trying SSO authentication (msal) in react SPA.
I updated my client id & respective autority with tenant id, but i;m unable to perform SSO, can you please help?
Folder path : ms-identity-ciam-javascript-tutorial-main\1-Authentication\1-sign-in-react\SPA

### Any log messages given by the failure
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### Expected/desired behavior
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### OS and Version?
> Windows 7, 8 or 10. Linux (which distribution). macOS (Yosemite? El Capitan? Sierra?)

### Versions
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### Mention any other details that might be useful

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