tag view improvements

app/views/tags/edit.html.erb

@@ -3,12 +3,14 @@
     <h1>Tag: <%= @tag.name %></h1>
 
     <%= simple_form_for(@tag) do |f| %>
-      <% unless @tag.is_locked? %>
+      <% if @tag.is_locked? %>
+        This tag is category locked.
+      <% else %>
         <%= f.input :category, :collection => Danbooru.config.canonical_tag_category_mapping.to_a, :include_blank => false %>
       <% end %>
 
       <% if CurrentUser.user.is_janitor? %>
-        <%= f.input :is_locked, :collection => [["No", "false"], ["Yes", "true"]] %>
+        <%= f.input :is_locked, :collection => [["No", "false"], ["Yes", "true"]], :include_blank => false %>
       <% end %>
 
       <%= f.button :submit, "Submit" %>