Show a tooltip on revert link.

app/helpers/commits_helper.rb

@@ -127,12 +127,10 @@ module CommitsHelper
     return unless current_user
 
     if show_modal_condition
-      link_to('Revert', '#modal-revert-commit',
-        'data-target' => '#modal-revert-commit',
-        'data-toggle' => 'modal',
-        class: "btn btn-close btn-#{btn_class}",
-        title: 'Create merge request to revert commit'
-      )
+      content_tag :span, 'data-toggle' => 'modal', 'data-target' => '#modal-revert-commit' do
+        link_to 'Revert', '#modal-revert-commit', 'data-toggle' => 'tooltip',
+                'data-original-title' => 'Create merge request to revert commit', class: "btn btn-close btn-#{btn_class}"
+      end
     else
       continue_params = {
         to: continue_to_path,
@@ -145,7 +143,7 @@ module CommitsHelper
                   )
 
       link_to 'Revert', fork_path, class: 'btn btn-grouped btn-close', method: :post,
-        title: 'Create merge request to revert commit'
+              'data-toggle' => 'tooltip', 'data-original-title' => 'Create merge request to revert commit'
     end
   end
 

app/views/projects/commit/_revert.html.haml

@@ -7,7 +7,7 @@
       .modal-body
         = form_tag revert_namespace_project_commit_path(@project.namespace, @project, commit_id), method: :post, remote: false, class: 'form-horizontal js-create-dir-form js-requires-input' do
           .form-group.branch
-            = label_tag 'target_branch', 'Target branch', class: 'control-label'
+            = label_tag 'target_branch', 'Revert in branch:', class: 'control-label'
             .col-sm-10
               = select_tag "target_branch", grouped_options_refs, class: "select2 select2-sm js-target-branch"
               - if can?(current_user, :push_code, @project)