Translate untranslated string with consistency and pluralization

Author: ewjoachim

readthedocs/gold/templates/gold/projects.html

@@ -26,7 +26,11 @@
 
   <h3> {% trans "Existing Projects" %} </h3>
   <p>
-    You can adopt {{ gold_user.num_supported_projects }} projects with your subscription.
+    {% blocktrans count projects=gold_user.num_supported_projects %}
+      You can adopt one project with your subscription.
+    {% plural %}
+      You can adopt {{ projects }} projects with your subscription.
+    {% endblocktrans %}
   </p>
 
     <ul>

readthedocs/gold/templates/gold/subscription_detail.html

@@ -56,7 +56,9 @@ <h2>{% trans "Gold Subscription" %}</h2>
 
     <h3>{% trans "Projects" %}</h3>
     <p class="subscription-projects">
-      {% blocktrans with projects=golduser.num_supported_projects %}
+      {% blocktrans count projects=golduser.num_supported_projects %}
+        You can adopt one project with your subscription.
+      {% plural %}
         You can adopt {{ projects }} projects with your subscription.
       {% endblocktrans %}
     </p>