address comments
diff --git a/tensorflow/c/experimental/stream_executor/stream_executor_internal.h b/tensorflow/c/experimental/stream_executor/stream_executor_internal.h
index 52ae4ba..b202c8f 100644
--- a/tensorflow/c/experimental/stream_executor/stream_executor_internal.h
+++ b/tensorflow/c/experimental/stream_executor/stream_executor_internal.h
@@ -37,6 +37,9 @@
// testing).
port::Status InitStreamExecutorPlugin(SEInitPluginFn init_fn);
+// This file implements core stream executor base classes in terms of
+// the C API defined in stream_executor.h. A class "CSomething" represents a
+// "Something" that can be manipulated via calls in the C interface.
class CPlatform : public Platform {
public:
explicit CPlatform(SP_Platform platform,
