Newsletter Settings: add clarify to clarify reply-to settings

Fixes CML-934

Author: jeherve

projects/plugins/jetpack/_inc/client/newsletter/email-settings.jsx

@@ -417,6 +417,12 @@ const EmailSettings = props => {
 						'Choose who receives emails when subscribers reply to your newsletter.',
 						'jetpack'
 					) }
+					{ subscriptionReplyTo === 'author' &&
+						' ' +
+							__(
+								'The author’s account must be connected to WordPress.com to use their email as the reply-to address.',
+								'jetpack'
+							) }
 				</p>
 				<RadioControl
 					className="jp-form-radio-gap"

projects/plugins/jetpack/changelog/fix-newsletter-settings-clarify-reply-to

@@ -0,0 +1,4 @@
+Significance: patch
+Type: bugfix
+
+Newsletter Settings: update wording to clarify how the reply-to settings can be used.