docs: admin-guide: fix typos in reporting-issues.rst

docs: admin-guide: fix typos in reporting-issues.rst

Correct pin-point to pinpoint, If that the case to If that is the case,
and its only slightly modified to it's only slightly modified in
Documentation/admin-guide/reporting-issues.rst for proper spelling and grammar.

Signed-off-by: Shivam Sharma <10sharmashivam@gmail.com>
Acked-by: Thorsten Leemhuis <linux@leemhuis.info>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20250518172658.6983-1-10sharmashivam@gmail.com>