modify steps for change admin password

[vcerenu]

Description

This PR modifies some steps of the process of changing the password of the admin user, because they were not executing the correct commands so that the password change correctly impacts the filebeat.yml file

Checks

• Compiles without warnings.
• Uses present tense, active voice, and semi-formal registry.
• Uses short, simple sentences.
• Uses bold for user interface elements, italics for key terms or emphasis, and code font for Bash commands, file names, REST paths, and code.
• Uses three spaces indentation.
• Adds or updates meta descriptions accordingly.
• Updates the redirects.js script if necessary (check this guide).