lib/table_of_contents/configuration.rb in jekyll-toc-0.13.1 vs lib/table_of_contents/configuration.rb in jekyll-toc-0.14.0

@@ -2,11 +2,11 @@
 
 module Jekyll
   module TableOfContents
     # jekyll-toc configuration class
     class Configuration
-      attr_accessor :toc_levels, :no_toc_class, :no_toc_section_class,
-                    :list_class, :sublist_class, :item_class, :item_prefix
+      attr_reader :toc_levels, :no_toc_class, :no_toc_section_class,
+                  :list_class, :sublist_class, :item_class, :item_prefix
 
       DEFAULT_CONFIG = {
         'min_level' => 1,
         'max_level' => 6,
         'no_toc_section_class' => 'no_toc_section',