diff --git a/audio/common/5.0/types.hal b/audio/common/5.0/types.hal
index e1279ee..33a8d62 100644
--- a/audio/common/5.0/types.hal
+++ b/audio/common/5.0/types.hal
@@ -331,7 +331,13 @@
 
 /**
  * A channel mask per se only defines the presence or absence of a channel, not
- * the order.  See AUDIO_INTERLEAVE_* for the platform convention of order.
+ * the order.
+ *
+ * The channel order convention is that channels are interleaved in order from
+ * least significant channel mask bit to most significant channel mask bit,
+ * with unused bits skipped. For example for stereo, LEFT would be first,
+ * followed by RIGHT.
+ * Any exceptions to this convention are noted at the appropriate API.
  *
  * AudioChannelMask is an opaque type and its internal layout should not be
  * assumed as it may change in the future.  Instead, always use functions
diff --git a/current.txt b/current.txt
index 6bdca0c..5027d82 100644
--- a/current.txt
+++ b/current.txt
@@ -428,6 +428,7 @@
 1b0500367ed2b32a841667ac3200edf3d3a164e8004aca445ff1b085ac831e93 android.hardware.audio@5.0::IStreamOutCallback
 83e365479cc77d8717c155e1787ee668cd2ae4c557b467cf75b8e7cd53697ad8 android.hardware.audio@5.0::types
 07d17800b298331e90d4ea5d8ba19a1ae3fe9c1dbff08d9f75fd3ade09496d67 android.hardware.audio.common@5.0::types
+b3c1ec989f317b9a36eac10f4e7b66aad2997302156899481553a67476e148dd android.hardware.audio.common@5.0::types # b/133453897
 f269297866765b95ddd1825676cc8a772f0c7c9863286df596fc302781a42ff5 android.hardware.audio.effect@5.0::IAcousticEchoCancelerEffect
 fa187b602d8939644ef708ed7627f2e3deac97899a4bda1de07f2ff126abe243 android.hardware.audio.effect@5.0::IAutomaticGainControlEffect
 e1bf864ccb8458c0da1dcc74a2e748b1dca8ac360df590591cf82d98292d7981 android.hardware.audio.effect@5.0::IBassBoostEffect