Administration: Remove a potentially incorrect addressee and improve …

…the phrasing used in the confirmation email when a user attempts to change the administration email address.

Props MadtownLems, ilovecats7, rehanali, iflairwebtechnologies, thehercules

Fixes #48879

git-svn-id: https://develop.svn.wordpress.org/trunk@59799 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/misc.php

@@ -1460,9 +1460,9 @@ function update_option_new_admin_email( $old_value, $value ) {
 
 	/* translators: Do not translate USERNAME, ADMIN_URL, EMAIL, SITENAME, SITEURL: those are placeholders. */
 	$email_text = __(
-		'Howdy ###USERNAME###,
+		'Howdy,
 
-Someone with administrator capabilities recently requested to have the
+A site Administrator (###USERNAME###) recently requested to have the
 administration email address changed on this site:
 ###SITEURL###