Changes to the conjunction "e" in written Italian

In lession 4.6, I learn that in written Italian the conjunction “e” changes to “ed” if the following word begins with the letter ‘e’.  However, in an earlier lesson, it appears to also change if the following word begins with the letter ‘i’ - such as  “io” - for example :  Marco ed io mangiamo la cena. 

True?

Hi Barbara, Yes, that's correct! In Italian, the conjunction "e" changes to "ed" when the following word begins with a vowel, not just the letter "e". So, if the following word starts with "i", like "io", you would indeed use "ed" instead of "e" to ensure smoother pronunciation. For example, "Marco ed io mangiamo la cena" is the correct usage. This is to make the transition between words more fluid and easier to pronounce.