Clarify comment for consistency in paging call

Co-authored-by: mykaul <4655593+mykaul@users.noreply.github.com>

Author: Copilot

cassandra/cluster.py

@@ -3902,7 +3902,7 @@ def _refresh_node_list_and_token_map(self, connection, preloaded_results=None,
                         success, local_rpc_address_result = connection.wait_for_response(
                             local_rpc_address_query, timeout=self._timeout, fail_on_error=False)
                         if success:
-                            # Fetch all pages if there are more results (system.local table always contains exactly one row)
+                            # Fetch all pages for consistency (system.local table always contains exactly one row, so this is effectively a no-op)
                             local_rpc_address_result = self._fetch_all_pages(connection, local_rpc_address_result, 
                                                                              local_rpc_address_query, self._timeout)
                             row = dict_factory(