Make email example more readable

Author: Antti Kuosmanen

README.md

@@ -137,12 +137,18 @@ These actions are only run for the target form by ID or slug.
 ```php
 add_action( 'wplf_post_validate_submission', 'my_email_thankyou' );
 function my_email_thankyou( $return ) {
+  // recipient details from submission
   $name = sanitize_text_field( $_POST['name'] );
   $email = sanitize_email( $_POST['email'] );
-  $to = "\"$name\" <$email>";
+
+  // email subject
   $subject = __( 'Thank You For Submitting A Form' );
-  $content = wp_sprintf( __('Thanks, %s for clicking Submit on this glorious HTML5 Form!'), $name );
-  wp_mail( $to, $subject, $content );
+
+  // text body of email
+  $body = wp_sprintf( __('Thanks, %s for clicking Submit on this glorious HTML5 Form!'), $name );
+
+  // send the email
+  wp_mail( $email, $subject, $body );
 }
 ```