This commit fixes various types of language errors in strings visible to the user, including - singular/plural mix-ups - missing or incorrect punctuation - missing or incorrect articles - inconsistent use of title case and sentence case and other capitalization errors - mixed-up words - missing words - incorrect prepositions - missing or incorrect apostrophes closes odoo/odoo#60189 Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>