Fix typo in doc

[cccntu]

What does this PR do?

Fix a typo in doc.

Fixes # (issue) <- this links related issue to this PR

Before submitting

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• Did you make sure to update the documentation with your changes [if needed]?
• Did you write any new necessary tests [no need for typos, docs]?
• [] Did you verify new and existing tests pass locally with your changes?
• If you made a notable change (that affects users), did you update the CHANGELOG?

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[codecov]

Codecov Report

Merging #5270 (827e7b0) into master (8d8098c) will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master   #5270   +/-   ##
======================================
  Coverage      93%     93%           
======================================
  Files         134     134           
  Lines        9945    9945           
======================================
  Hits         9259    9259           
  Misses        686     686