Integrated first round of feedback

lib/msf/core/module/full_name.rb

@@ -21,7 +21,7 @@ module Msf::Module::FullName
     #
 
     def fullname
-      type + '/' + (refname.nil? ? '' : refname)
+      "#{type}/#{refname}"
     end
 
     def shortname

lib/msf/core/module_manager/cache.rb

@@ -99,7 +99,7 @@ module Msf::ModuleManager::Cache
   end
 
   # @overload refresh_cache_from_module_files
-  #   Rebuilds module metadat store and in-memory cache for all modules.
+  #   Rebuilds module metadata store and in-memory cache for all modules.
   #
   #   @return [void]
   # @overload refresh_cache_from_module_files(module_class_or_instance)