diff --git a/tv/tuner/aidl/android/hardware/tv/tuner/IFrontend.aidl b/tv/tuner/aidl/android/hardware/tv/tuner/IFrontend.aidl
index 12f2692..9cbd3dd 100644
--- a/tv/tuner/aidl/android/hardware/tv/tuner/IFrontend.aidl
+++ b/tv/tuner/aidl/android/hardware/tv/tuner/IFrontend.aidl
@@ -142,7 +142,9 @@
      * Request Hardware information about the frontend.
      *
      * The client may use this to collect vendor specific hardware information, e.g. RF
-     * chip version, Demod chip version, detailed status of dvbs blind scan, etc.
+     * chip version, Demod chip version, detailed status of dvbs blind scan, etc. The
+     * client shouldn’t parse things or rely on any format or change their behavior
+     * based on results.
      *
      * @return the frontend hardware information.
      */