Refactor aliases to use actual strings

source/js/components/newsletter-signup/organisms/default-layout-signup.jsx

@@ -266,7 +266,7 @@ class DefaultSignupForm extends Component {
         id={this.ids[name]}
         name={name}
         label={gettext(
-          "I'm okay with Mozilla handling my info as explained in this Privacy Notice"
+          "<span>I'm okay with Mozilla handling my info as explained in this <a target='_blank' href='https://www.mozilla.org/privacy/websites/'>Privacy Notice</a></span>"
         )}
         value={this.getFormFieldValue(name)}
         checked={this.getFormFieldValue(name) === "true"}

source/js/components/newsletter-signup/organisms/with-submission-logic.jsx

@@ -238,8 +238,12 @@ function withSubmissionLogic(WrappedComponent) {
       ) {
         message = (
           <>
-            <p>{gettext("confirm your email opt-in")}</p>
-            <p>{gettext("manage your subscriptions")}</p>
+            <p>
+              {gettext("If you haven’t previously confirmed your opt-in to a Mozilla-related email subscription you may have to do so now. <strong>Please check your inbox or spam filter for an email from us to click and confirm your subscription</strong>.")}
+            </p>
+            <p>
+              {gettext("If you have already confirmed your opt-in to receive Mozilla-related emails, you can now <a href='https://www.mozilla.org/newsletter/recovery/' target='_blank'>manage your subscriptions</a> and update your email preferences.")}
+            </p>
           </>
         );
       }