lib/nanoc/cli/commands/show-plugins.rb in nanoc-4.1.1 vs lib/nanoc/cli/commands/show-plugins.rb in nanoc-4.1.2

@@ -71,16 +71,16 @@
 
     PLUGIN_CLASS_ORDER = [
       Nanoc::Filter,
       Nanoc::DataSource,
       Nanoc::Extra::Deployer,
-    ] unless defined? PLUGIN_CLASS_ORDER
+    ].freeze unless defined? PLUGIN_CLASS_ORDER
 
     PLUGIN_CLASSES = {
       Nanoc::Filter          => 'Filters',
       Nanoc::DataSource      => 'Data Sources',
       Nanoc::Extra::Deployer => 'Deployers',
-    } unless defined? PLUGIN_CLASSES
+    }.freeze unless defined? PLUGIN_CLASSES
 
     def name_for_plugin_class(klass)
       PLUGIN_CLASSES[klass]
     end
   end