diff --git a/rally/common/plugin/info.py b/rally/common/plugin/info.py
index 003ff00f7e..b410f93008 100644
--- a/rally/common/plugin/info.py
+++ b/rally/common/plugin/info.py
@@ -83,7 +83,8 @@ class InfoMixin(object):
     @classmethod
     def get_info(cls):
         plugin_ = getattr(cls, "func_ref", cls)
-        doc = parse_docstring(plugin_.__doc__)
+        doc_source = getattr(plugin_, "_doc_source_", plugin_)
+        doc = parse_docstring(doc_source.__doc__)
 
         return {
             "name": plugin_.get_name(),
diff --git a/rally/task/scenario.py b/rally/task/scenario.py
index 9aae346730..a4e0e7579f 100644
--- a/rally/task/scenario.py
+++ b/rally/task/scenario.py
@@ -50,6 +50,9 @@ def configure(name=None, namespace="default", context=None):
         scen.is_classbased = hasattr(scen, "run") and callable(scen.run)
         if not scen.is_classbased:
             plugin.from_func(Scenario)(scen)
+        else:
+            scen._doc_source_ = scen.run
+
         scen._meta_init()
         if name:
             if "." not in name.strip("."):