diff --git a/app/models/user_history.rb b/app/models/user_history.rb
index 73bc57379e5..3ae417b26d4 100644
--- a/app/models/user_history.rb
+++ b/app/models/user_history.rb
@@ -18,7 +18,7 @@ class UserHistory < ActiveRecord::Base
                            :checked_for_custom_avatar,
                            :notified_about_avatar,
                            :notified_about_sequential_replies,
-                           :notitied_about_dominating_topic,
+                           :notified_about_dominating_topic,
                            :suspend_user,
                            :unsuspend_user)
   end
diff --git a/lib/composer_messages_finder.rb b/lib/composer_messages_finder.rb
index c7f27bcba05..c27616bc0b4 100644
--- a/lib/composer_messages_finder.rb
+++ b/lib/composer_messages_finder.rb
@@ -97,12 +97,13 @@ class ComposerMessagesFinder
     return unless replying? &&
                   @details[:topic_id] &&
                   (@user.post_count >= SiteSetting.educate_until_posts) &&
-                  !UserHistory.exists_for_user?(@user, :notitied_about_dominating_topic, topic_id: @details[:topic_id])
+                  !UserHistory.exists_for_user?(@user, :notified_about_dominating_topic, topic_id: @details[:topic_id])
 
     topic = Topic.where(id: @details[:topic_id]).first
     return if topic.blank? ||
               topic.user_id == @user.id ||
-              topic.posts_count < SiteSetting.summary_posts_required
+              topic.posts_count < SiteSetting.summary_posts_required ||
+              topic.archetype == Archetype.private_message
 
     posts_by_user = @user.posts.where(topic_id: topic.id).count
 
@@ -110,7 +111,7 @@ class ComposerMessagesFinder
     return if ratio < (SiteSetting.dominating_topic_minimum_percent.to_f / 100.0)
 
     # Log the topic notification
-    UserHistory.create!(action: UserHistory.actions[:notitied_about_dominating_topic],
+    UserHistory.create!(action: UserHistory.actions[:notified_about_dominating_topic],
                         target_user_id: @user.id,
                         topic_id: @details[:topic_id])
 
@@ -130,4 +131,4 @@ class ComposerMessagesFinder
       return @details[:composerAction] == "reply"
     end
 
-end
\ No newline at end of file
+end
diff --git a/spec/components/composer_messages_finder_spec.rb b/spec/components/composer_messages_finder_spec.rb
index f211157a1fb..24067959206 100644
--- a/spec/components/composer_messages_finder_spec.rb
+++ b/spec/components/composer_messages_finder_spec.rb
@@ -232,12 +232,12 @@ describe ComposerMessagesFinder do
       end
 
       it "doesn't notify a user it has already notified in this topic" do
-        UserHistory.create!(action: UserHistory.actions[:notitied_about_dominating_topic], topic_id: topic.id, target_user_id: user.id )
+        UserHistory.create!(action: UserHistory.actions[:notified_about_dominating_topic], topic_id: topic.id, target_user_id: user.id )
         finder.check_dominating_topic.should be_blank
       end
 
       it "notifies a user if the topic is different" do
-        UserHistory.create!(action: UserHistory.actions[:notitied_about_dominating_topic], topic_id: topic.id+1, target_user_id: user.id )
+        UserHistory.create!(action: UserHistory.actions[:notified_about_dominating_topic], topic_id: topic.id+1, target_user_id: user.id )
         finder.check_dominating_topic.should be_present
       end
 
@@ -256,6 +256,11 @@ describe ComposerMessagesFinder do
         finder.check_dominating_topic.should be_blank
       end
 
+      it "doesn't notify you in a private message" do
+        topic.update_column(:archetype, Archetype.private_message)
+        finder.check_dominating_topic.should be_blank
+      end
+
       context "success" do
         let!(:message) { finder.check_dominating_topic }
 
@@ -263,8 +268,8 @@ describe ComposerMessagesFinder do
           message.should be_present
         end
 
-        it "creates a notitied_about_dominating_topic log" do
-          UserHistory.exists_for_user?(user, :notitied_about_dominating_topic).should be_true
+        it "creates a notified_about_dominating_topic log" do
+          UserHistory.exists_for_user?(user, :notified_about_dominating_topic).should be_true
         end
 
       end