chore: address commit comments for commit

[rajanarahul93]

Resolves #6713.

Description

What is the purpose of this pull request?

This pull request:

• addresses a maintainer's comment on commit 1871022 by correcting the invalid parameter range for sigma in the documentation and example code for the @stdlib/stats/base/dists/lognormal/kurtosis package.

Related Issues

Does this pull request have any related issues?

This pull request:

• resolves Address commit comments (commit 1871022) #6713

Questions

Any questions for reviewers of this pull request?

No.

Other

Any other information relevant to this pull request? This may include screenshots, references, and/or implementation notes.

No.

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines.

---

@stdlib-js/reviewers

[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
stats/base/dists/lognormal/kurtosis	$\color{green}183/183$ $\color{green}+100.00\%$	$\color{green}9/9$ $\color{green}+100.00\%$	$\color{green}2/2$ $\color{green}+100.00\%$	$\color{green}183/183$ $\color{green}+100.00\%$

The above coverage report was generated for the changes in this PR.

[kgryte]

LGTM!