Clarify namespace option in yard

Author: solnic

lib/rom/loader.rb

@@ -38,7 +38,7 @@ class Loader
 
     # @!attribute [r] namespace
     #   @return [Boolean,String]
-    #     The name of the top level namespace or true/false which
+    #     Toggle whether root directory should be treated as the top-level namespace
     #     enables/disables default top level namespace inferred from the dir name
     option :namespace, type: NamespaceType, default: -> { true }