Fix typo

Author: anorthall

src/app/components/stats.tsx

@@ -200,7 +200,7 @@ export default function Stats({ stats }: { stats: StatsData }) {
             members the minimum subscription is £5/month.`}
           </li>
           <li>
-            {`If you're already a member,`}
+            {`If you're already a member, `}
             <strong className="large">
               increase your monthly subscription payment
             </strong>