Fix typos, improve docs

[tolusha]

Signed-off-by: Anatolii Bazko abazko@redhat.com

What does this PR do?

Fix typos, improve docs

What issues does this PR fix or reference?

https://issues.redhat.com/browse/RHDEVDOCS-2216

PR Checklist

As the author of this Pull Request I made sure that:

• The Eclipse Contributor Agreement is valid
• Code produced is complete
• Code builds without errors
• Tests are covering the bugfix
• Custom resource definition file is up to date
• Nightly OLM bundle is up to date
• The repository devfile is up to date and works
• Sections What issues does this PR fix or reference and How to test this PR completed
• Relevant user documentation updated
• Relevant contributing documentation updated
• CI/CD changes implemented, documented and communicated

Reviewers

Reviewers, please comment how you tested the PR when approving it.

[MichalMaler]

Did what I could :) Thx @themr0c for cooperating on this.

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: AndrienkoAleksandr, tolusha
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[codecov]

Codecov Report

Merging #667 (f4a263f) into master (4ee509e) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #667   +/-   ##
=======================================
  Coverage   28.51%   28.51%           
=======================================
  Files          47       47           
  Lines        4998     4998           
=======================================
  Hits         1425     1425           
  Misses       3364     3364           
  Partials      209      209           

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