Spelling improvement, add in a group, not into group.

app/views/admin/groups/show.html.haml

@@ -64,7 +64,7 @@
           %div.prepend-top-10
             = select_tag :access_level, options_for_select(GroupMember.access_level_roles), class: "project-access-select select2"
           %hr
-          = button_tag 'Add users into group', class: "btn btn-create"
+          = button_tag 'Add users to group', class: "btn btn-create"
     .panel.panel-default
       .panel-heading
         %h3.panel-title

app/views/groups/_new_group_member.html.haml

@@ -12,4 +12,4 @@
         %strong= link_to "here", help_page_path("permissions", "permissions"), class: "vlink"
 
   .form-actions
-    = f.submit 'Add users into group', class: "btn btn-create"
+    = f.submit 'Add users to group', class: "btn btn-create"

features/steps/admin/groups.rb

@@ -41,7 +41,7 @@ class Spinach::Features::AdminGroups < Spinach::FeatureSteps
     within "#new_team_member" do
       select "Reporter", from: "access_level"
     end
-    click_button "Add users into group"
+    click_button "Add users to group"
   end
 
   step 'I should see "John Doe" in team list in every project as "Reporter"' do

features/steps/groups.rb

@@ -34,7 +34,7 @@ class Spinach::Features::Groups < Spinach::FeatureSteps
       select2(user.id, from: "#user_ids", multiple: true)
       select "Reporter", from: "access_level"
     end
-    click_button "Add users into group"
+    click_button "Add users to group"
   end
 
   step 'I should see user "John Doe" in team list' do