Update copy

app/views/discussions/_new_issue_for_all_discussions.html.haml

 - if merge_request.discussions_can_be_resolved_by?(current_user) && can?(current_user, :create_issue, @project)
   .btn-group{ role: "group", "v-if" => "unresolvedDiscussionCount > 0" }
     .btn.btn-default.discussion-create-issue-btn.has-tooltip{ title: "Resolve all discussions in new issue",
-                                                               "aria-label" => "Resolve all discussions in new issue",
-                                                               "data-container" => "body" }
+                                                             "aria-label" => "Resolve all discussions in a new issue",
+                                                             "data-container" => "body" }
       = link_to custom_icon('icon_mr_issue'), new_namespace_project_issue_path(@project.namespace, @project, merge_request_for_resolving_discussions: merge_request.iid), title: "Resolve all discussions in new issue", class: 'new-issue-for-discussion'