diff --git a/app/assets/javascripts/discourse/templates/components/topic-map.hbs b/app/assets/javascripts/discourse/templates/components/topic-map.hbs
index 11a5a14b6..7d7100679 100644
--- a/app/assets/javascripts/discourse/templates/components/topic-map.hbs
+++ b/app/assets/javascripts/discourse/templates/components/topic-map.hbs
@@ -56,6 +56,7 @@
 
 {{#unless mapCollapsed}}
   <section class='avatars clearfix'>
+    <h3>{{i18n 'topic_map.participants_title'}}</h3>
     {{#each p in details.participants}}
       {{topic-participant participant=p}}
     {{/each}}
@@ -63,7 +64,7 @@
 
   {{#if infoLinks}}
     <section class='links'>
-
+        <h3>{{i18n 'topic_map.links_title'}}</h3>
         <table class='topic-links'>
           {{#each link in infoLinks}}
             <tr>
diff --git a/app/assets/stylesheets/desktop/topic-post.scss b/app/assets/stylesheets/desktop/topic-post.scss
index 9763f9274..f6eb0235c 100644
--- a/app/assets/stylesheets/desktop/topic-post.scss
+++ b/app/assets/stylesheets/desktop/topic-post.scss
@@ -320,8 +320,9 @@ a.star {
 
   h3 {
     margin-bottom: 4px;
-    color: $primary;
+    color: scale-color($primary, $lightness: 50%);
     line-height: 23px;
+    font-weight: normal;
   }
 
   h4 {
diff --git a/app/assets/stylesheets/mobile/topic-post.scss b/app/assets/stylesheets/mobile/topic-post.scss
index 9d1221228..89dbd564d 100644
--- a/app/assets/stylesheets/mobile/topic-post.scss
+++ b/app/assets/stylesheets/mobile/topic-post.scss
@@ -158,8 +158,9 @@ a.star {
 
   h3 {
     margin-bottom: 4px;
-    color: $primary;
+    color: scale-color($primary, $lightness: 50%);
     line-height: 23px;
+    font-weight: normal;
   }
 
   h4 {
diff --git a/config/locales/client.en.yml b/config/locales/client.en.yml
index 37bfcd363..e5f58548c 100644
--- a/config/locales/client.en.yml
+++ b/config/locales/client.en.yml
@@ -1480,6 +1480,8 @@ en:
 
     topic_map:
       title: "Topic Summary"
+      participants_title: "Frequent Posters"
+      links_title: "Popular Links"
       links_shown: "show all {{totalLinks}} links..."
       clicks:
         one: "1 click"