diff --git a/src/common/tools/descriptor/Loader.py b/src/common/tools/descriptor/Loader.py
index 916a73d300011c62fc008fc7437df8a71f6a9838..73d53bf430eff1e9db2f68b39b461355c032b1c1 100644
--- a/src/common/tools/descriptor/Loader.py
+++ b/src/common/tools/descriptor/Loader.py
@@ -240,11 +240,16 @@ class DescriptorLoader:
         self._process_descr('slice',      'add',    self.__ctx_cli.SetSlice,      Slice,      self.__slices        )
         self._process_descr('connection', 'add',    self.__ctx_cli.SetConnection, Connection, self.__connections   )
 
-        # Update context and topology is useless:
-        # - devices and links are assigned to topologies automatically by Context component
-        # - topologies, services, and slices are assigned to contexts automatically by Context component
+        # By default the Context component automatically assigns devices and links to topologies based on their
+        # endpoints, and assigns topologies, services, and slices to contexts based on their identifiers.
+
+        # The following statement is useless; up to now, any use case requires assigning a topology, service, or
+        # slice to a different context.
         #self._process_descr('context',    'update', self.__ctx_cli.SetContext,    Context,    self.__contexts      )
-        #self._process_descr('topology',   'update', self.__ctx_cli.SetTopology,   Topology,   self.__topologies    )
+
+        # In some cases, it might be needed to assign devices and links to multiple topologies; the
+        # following statement performs that assignment.
+        self._process_descr('topology',   'update', self.__ctx_cli.SetTopology,   Topology,   self.__topologies    )
 
         #self.__ctx_cli.close()
 
@@ -272,11 +277,16 @@ class DescriptorLoader:
         self._process_descr('slice',    'add',    self.__slc_cli.CreateSlice,     Slice,    self.__slices_add    )
         self._process_descr('slice',    'update', self.__slc_cli.UpdateSlice,     Slice,    self.__slices        )
         
-        # Update context and topology is useless:
-        # - devices and links are assigned to topologies automatically by Context component
-        # - topologies, services, and slices are assigned to contexts automatically by Context component
+        # By default the Context component automatically assigns devices and links to topologies based on their
+        # endpoints, and assigns topologies, services, and slices to contexts based on their identifiers.
+
+        # The following statement is useless; up to now, any use case requires assigning a topology, service, or
+        # slice to a different context.
         #self._process_descr('context',  'update', self.__ctx_cli.SetContext,      Context,  self.__contexts      )
-        #self._process_descr('topology', 'update', self.__ctx_cli.SetTopology,     Topology, self.__topologies    )
+
+        # In some cases, it might be needed to assign devices and links to multiple topologies; the
+        # following statement performs that assignment.
+        self._process_descr('topology', 'update', self.__ctx_cli.SetTopology,     Topology, self.__topologies    )
 
         #self.__slc_cli.close()
         #self.__svc_cli.close()