[FIX] doc: clarity issue for gantt view precision field
[FIX] doc: clarity issue for gantt view precision field

self-explanatory

opw-2161939

closes odoo/odoo#43059

X-original-commit: 05a198bc59e7c51bbdf566d5ed99d57cf6542c20
Signed-off-by: Nicolas Martinelli (nim) <771435c469f83f6aa9c405ac5e1ed06314a94f2d@odoo.com>

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo