software/erp5: fix typos on schema

6 jobs for feat/erp5-seleniumserver in 0 seconds
Status Job ID Name Coverage
  External
failed ERP5.UnitTest-JEROME.own-distributor

06:09:32

passed ERP5.UnitTest-SeleniumServer

02:01:50

failed SlapOS.SoftwareReleases.IntegrationTest-Jerome-WIP2

24:42:34

canceled ERP5.UnitTest-JEROME.own-distributor

00:53:13

passed ERP5.UnitTest-SeleniumServer

01:54:30

passed ERP5.UnitTest-SeleniumServer

02:01:45