fix: update opt in text (#457)

update opt in checkbox text on register page.
VAN-740

src/_style.scss

@@ -841,8 +841,8 @@ select.form-control {
 
 .opt-checkbox {
   .pgn__form-label {
-    font-size: 0.875rem;
-    line-height: 1.5rem;
+    font-size: 0.75rem;
+    line-height: 1.25rem;
   }
   margin-top: 1rem;
   margin-left: 3px;

src/register/RegistrationPage.jsx

@@ -667,7 +667,7 @@ class RegistrationPage extends React.Component {
                 checked={this.state.marketingOptIn}
                 onChange={(e) => this.setState({ marketingOptIn: e.target.checked })}
               >
-                {intl.formatMessage(messages['registration.opt.in.label'])}
+                {intl.formatMessage(messages['registration.opt.in.label'], { siteName: getConfig().SITE_NAME })}
               </Form.Checkbox>
             )}
             <div id="honor-code" className="micro text-muted mt-4">

src/register/messages.jsx

@@ -34,8 +34,8 @@ const messages = defineMessages({
   },
   'registration.opt.in.label': {
     id: 'registration.opt.in.label',
-    defaultMessage: 'Receive marketing emails',
-    description: 'You will be receive marketing emails by checking it',
+    defaultMessage: 'By creating an account, I agree that {siteName} may send me marketing messages.',
+    description: 'Text for opt in option on register page.',
   },
   // Help text
   'help.text.name': {