CAPITALISATION IN CORRESPONDENCE

English for Today by Ganiu Abisoye Bamgbose (Dr GAB)

Capitalise the S in Sir in the salutation:
Dear sir, ✖️
Dear Sir, ✔️
Do not capitalise the first letter of the word after ‘Yours’ in the closing:
Yours Faithfully, ✖️
Yours faithfully, ✔️
Yours Sincerely, ✖️
Yours sincerely, ✔️
Capitalise the first letter of all the content words (noun, main verb, adjective and adverb) in a heading if the whole heading is not capitalised:
Letter of inquiry on the readiness of the machines ✖️
Letter of Inquiry on the Readiness of the Machines ✔️
GAB