Just change double the by single. This fixes various typos in error and code comments. closes odoo/odoo#107266 X-original-commit: 09dfedfc19c2bc34c2bb394dcc4bc609c5ac0107 Related: odoo/enterprise#34681 Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>