diff --git a/wifi/1.0/IWifiChip.hal b/wifi/1.0/IWifiChip.hal
index 611c449..b97327c 100644
--- a/wifi/1.0/IWifiChip.hal
+++ b/wifi/1.0/IWifiChip.hal
@@ -220,7 +220,12 @@
   getAvailableModes() generates (WifiStatus status, vec<ChipMode> modes);
 
   /**
-   * Reconfigure the Chip.
+   * Configure the Chip.
+   * This may NOT be called to reconfigure a chip due to an internal
+   * limitation. Calling this when chip is already configured in a different
+   * mode must trigger an ERROR_NOT_SUPPORTED failure.
+   * If you want to do reconfiguration, please call IWifi.stop() and IWifi.start()
+   * to restart Wifi HAL before calling this.
    * Any existing |IWifiIface| objects must be marked invalid after this call.
    * If this fails then the chips is now in an undefined state and
    * configureChip must be called again.
@@ -234,6 +239,7 @@
    *         |WifiStatusCode.SUCCESS|,
    *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
    *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+   *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
    *         |WifiStatusCode.ERROR_UNKNOWN|
    */
   configureChip(ChipModeId modeId) generates (WifiStatus status);