diff --git a/configstore/1.0/ISurfaceFlingerConfigs.hal b/configstore/1.0/ISurfaceFlingerConfigs.hal
index 5f975bd..0790905 100644
--- a/configstore/1.0/ISurfaceFlingerConfigs.hal
+++ b/configstore/1.0/ISurfaceFlingerConfigs.hal
@@ -61,11 +61,16 @@
     hasWideColorDisplay() generates (OptionalBool value);
 
     /**
-     * hwHdrDisplay indicates that the device has
-     * or can support an HDR (High Dynamic Range) display.
-     * Typically an HDR display is also wide-color.
+     * hwHdrDisplay indicates that the device has an High Dynamic Range display.
+     * A display is considered High Dynamic Range if it
+     *
+     *     1. is a wide color gamut display, typically DCI-P3 or lager
+     *     2. has high luminance capability, typically 540 nits or higher at 10% OPR
+     *
      * Indicate support for this feature by setting
      * TARGET_HAS_HDR_DISPLAY to true in BoardConfig.mk
+     * TARGET_HAS_WIDE_COLOR_DISPLAY must be set to true when
+     * TARGET_HAS_HDR_DISPLAY is true.
      */
     hasHDRDisplay() generates (OptionalBool value);
 
diff --git a/current.txt b/current.txt
index e92c9a0..35143af 100644
--- a/current.txt
+++ b/current.txt
@@ -386,6 +386,7 @@
 
 # ABI preserving changes to HALs during Android Q
 a95745bbf76aea16a76518bd7efe70cabc5886d09eaeffc993c2e1787a22ed23 android.hardware.camera.metadata@3.3::types
+5f936a5befde7af8d2a683670f80a836b4741e94d84b7b39026da3ed78be9906 android.hardware.configstore@1.0::ISurfaceFlingerConfigs
 574e8f1499436fb4075894dcae0b36682427956ecb114f17f1fe22d116a83c6b android.hardware.neuralnetworks@1.0::IPreparedModel
 1a5ae9793223658174258b523763c557abad6fb917df0b8e3cc097fc89035811 android.hardware.neuralnetworks@1.0::types
 4310eb8272f085914952f3bfb73a8f8bb477a80e8b93596f0ea5acb58546b66d android.hardware.neuralnetworks@1.1::types