[FIX] #1039 fix typos in installation guide

[Rishav-Bagri]

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{pull request content here}
This PR fixes typos in the installation guide.

Fixes #1039

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[canihavesomecoffee]

Already fixed in 3bf022f