Fix some translations

app/views/shared/attribute_field/_attribute_field.html.erb

@@ -6,7 +6,7 @@
           <a class="btn btn-small pull-right btn-danger remove_attribute" href="#"><i class="icon-trash icon-large"></i> <%= t(:delete_)%></a>
           <div class="clear">
               <div class="control-group pull-left">
-                  <label class="control-label" for="key"><%= t("admin.key") %></label>
+                  <label class="control-label" for="key"><%= t(:key) %></label>
                   <div class="multipleInput">
                       <div class="controls">
                         <%= text_field "info[attribute_fields][#{attribute_field_counter}]","key",:value=>attribute_field.key%>