minor: update annotations

Author: jamesgetx

dynamic/test_discovery.py

@@ -46,12 +46,12 @@ def test_cache_decoder_resource_and_subresource(self):
 
         # do Discoverer.__init__
         client = DynamicClient(api_client.ApiClient(configuration=self.config))
-        # the resources of client will use _cache in memory
+        # the resources of client will use _cache['resources'] in memory
         deploy1 = client.resources.get(kind='Deployment')
 
         # do Discoverer.__init__
         client = DynamicClient(api_client.ApiClient(configuration=self.config))
-        # the resources of client will use _cache decode from cache file
+        # the resources of client will use _cache['resources'] decode from cache file
         deploy2 = client.resources.get(kind='Deployment')
 
         # test Resource is the same