Typo within Reports section of documentation

[vrvnd]

There is a minor typo in the documentation

Steps to reproduce

1. Within the documentation, User Guide -> PyLint Output -> Reports section states that reports can be enabled through the --report=y option

This is a typo and the option name is truly 'reports'

Current behavior

These features can be enabled through the --report=y option, or its shorthand version -rn.

Expected behavior

These features can be enabled through the --reports=y option, or its shorthand version -rn.