diff --git a/features/user_mention.feature b/features/user_mention.feature
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+Feature: user mention
+  As a user
+  I want to mention my friends and community members
+  So that they get notified about what I wrote
+
+  Background:
+    Given the following users
+      | login    |
+      | fulano   |
+      | ciclano  |
+      | deltrano |
+    And "ciclano" is friend of "fulano"
+    And the following communities
+      | identifier     | name           | owner |
+      | test-community | test community | fulano |
+    And "deltrano" is a member of "test community"
+    And the following articles
+      | owner           | name             |
+      | fulano          | fulano article   |
+      | test-community  | comunity article |
+    And I am logged in as "fulano"
+
+
+  @selenium
+  Scenario: mention a friend
+    Given I am on /fulano/fulano-article
+    And I follow "Post a comment"
+    And I fill in "Title" with "Hey ho, let's go!"
+    And I type in "@cic" into autocomplete list "#comment_body" and I choose "ciclano"
+    When I press "Post comment"
+    Then I should see "Hey ho, let"
+
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libgit2 0.21.2