fix wording

app/dashboard/templates/dashboard/custom_alias.html

@@ -9,7 +9,7 @@
 {% block default_content %}
 
   <div class="col-md-6 offset-md-3">
-    <h1 class="h3 mb-5">Custom Alias</h1>
+    <h1 class="h3 mb-5">New Email Alias</h1>
     {% if error %}
       <div class="text-danger text-center mb-4">{{ error }}</div>
     {% endif %}