Improve tooltip on categories stats.

app/assets/javascripts/discourse/models/category.js

@@ -136,12 +136,20 @@ Discourse.Category = Discourse.Model.extend({
     return this.get('topicTrackingState').countNew(this.get('name'));
   }.property('topicTrackingState.messageCount'),
 
-  totalTopicsTitle: function() {
-    return I18n.t('categories.total_topics', {count: this.get('topic_count')});
+  topicStatsTitle: function() {
+    var string = I18n.t('categories.topic_stats');
+    _.each(this.get('topicCountStats'), function(stat) {
+      string += ' ' + I18n.t('categories.topic_stat_sentence', {count: stat.value, unit: stat.unit});
+    }, this);
+    return string;
   }.property('post_count'),
 
-  totalPostsTitle: function() {
-    return I18n.t('categories.total_posts', {count: this.get('post_count')});
+  postStatsTitle: function() {
+    var string = I18n.t('categories.post_stats');
+    _.each(this.get('postCountStats'), function(stat) {
+      string += ' ' + I18n.t('categories.post_stat_sentence', {count: stat.value, unit: stat.unit});
+    }, this);
+    return string;
   }.property('post_count'),
 
   topicCountStats: function() {

app/assets/javascripts/discourse/templates/list/wide_categories.js.handlebars

@@ -79,7 +79,7 @@
             </div>
           {{/each}}
         </td>
-        <td class='stats' {{bindAttr title="totalTopicsTitle"}}>
+        <td class='stats' {{bindAttr title="topicStatsTitle"}}>
           <table class="categoryStats">
             {{#each topicCountStats}}
               <tr>
@@ -89,7 +89,7 @@
             {{/each}}
           </table>
         </td>
-        <td class='stats' {{bindAttr title="totalPostsTitle"}}>
+        <td class='stats' {{bindAttr title="postStatsTitle"}}>
           <table class="categoryStats">
             {{#each postCountStats}}
               <tr>

config/locales/client.en.yml

@@ -188,14 +188,20 @@ en:
       all_subcategories: "all subcategories"
       no_subcategory: "no subcategory"
       category: "Category"
-      posts: "Posts"
-      topics: "Topics"
+      posts: "New Posts"
+      topics: "New Topics"
       latest: "Latest"
       latest_by: "latest by"
       toggle_ordering: "toggle ordering control"
       subcategories: "Subcategories:"
-      total_topics: "Total topics: %{count}"
-      total_posts: "Total posts: %{count}"
+      topic_stats: "The number of new topics."
+      topic_stat_sentence:
+        one: "%{count} new topic in the past %{unit}."
+        other: "%{count} new topics in the past %{unit}."
+      post_stats: "The number of new posts."
+      post_stat_sentence:
+        one: "%{count} new post in the past %{unit}."
+        other: "%{count} new posts in the past %{unit}."
 
     user:
       said: "{{username}} said:"