Change prompt symbol and 'this is to' sentences

[javimed]

Description

This PR makes the following minor changes:

• Changes the prompt symbol on the show passwords command.
• Changes some sentences.

Checks

• [X] It compiles without warnings.
• [X] Spelling and grammar.
• [ ] Used impersonal speech.
• [X] Used uppercase only on nouns.
• [X] Updated the redirect.js script if necessary (check this guide).