Merge pull request #425 from mozilla/sign-up-button

Update modal submit button from 'Subscribe' to 'Sign Up'

views/partials/subscribe_modal/subscribe_to_ffxm.hbs

@@ -1,5 +1,5 @@
 <div id="subscribe-to-ffxm" class="modal-content">
-  <h3 class="section-headline">Subscribe to Firefox Monitor</h3>
+  <h3 class="section-headline">Sign Up for Firefox Monitor</h3>
   <p>Sign up for your full report, alerts when new breaches happen, and safety tips from Firefox&nbsp;Monitor. <a class="internal-link" href="https://www.mozilla.org/privacy/firefox-monitor/" target="_blank" rel="noopener">Terms&nbsp;and&nbsp;Privacy</a></p>
   
   {{#if FXA_ENABLED }}
@@ -13,11 +13,11 @@
     </div>
     <div class="checkbox-group">
       <input id="additional-emails-checkbox" type="checkbox" name="additional-emails" value="additional-emails" />
-      <label for="additional-emails-checkbox">Get the lastest news from Mozilla and Firefox.</label>
+      <label for="additional-emails-checkbox">Get the latest news from Mozilla and Firefox.</label>
     </div>
     <div class="input-group-button">
       <img class="loader" src="/img/loader.gif" alt="loading data" />
-      <input id="subscribe-submit" type="submit" class="button submit-email blue-button" value="Subscribe"  />
+      <input id="subscribe-submit" type="submit" class="button submit-email blue-button" value="Sign Up"  />
     </div>
   </form>
   <button class="close-modal internal-link">Close</button>