diff --git a/current.txt b/current.txt
index 1653ac40a2..f0082a310b 100644
--- a/current.txt
+++ b/current.txt
@@ -386,6 +386,7 @@ cd4330c3196bda1d642a32abfe23a7d64ebfbda721940643af6867af3b3f0aa9 android.hardwar
 
 # ABI preserving changes to HALs during Android Q
 da33234403ff5d60f3473711917b9948e6484a4260b5247acdafb111193a9de2 android.hardware.configstore@1.0::ISurfaceFlingerConfigs
+21165b8e30c4b2d52980e4728f661420adc16e38bbe73476c06b2085be908f4c android.hardware.gnss@1.0::IGnssCallback
 d702fb01dc2a0733aa820b7eb65435ee3334f75632ef880bafd2fb8803a20a58 android.hardware.gnss@1.0::IGnssMeasurementCallback
 b7ecf29927055ec422ec44bf776223f07d79ad9f92ccf9becf167e62c2607e7a android.hardware.keymaster@4.0::IKeymasterDevice
 574e8f1499436fb4075894dcae0b36682427956ecb114f17f1fe22d116a83c6b android.hardware.neuralnetworks@1.0::IPreparedModel
diff --git a/gnss/1.0/IGnssCallback.hal b/gnss/1.0/IGnssCallback.hal
index 7fb38c5899..d62676fb5e 100644
--- a/gnss/1.0/IGnssCallback.hal
+++ b/gnss/1.0/IGnssCallback.hal
@@ -115,9 +115,9 @@ interface IGnssCallback {
         /**
          * Carrier frequency of the signal tracked, for example it can be the
          * GPS central frequency for L1 = 1575.45 MHz, or L2 = 1227.60 MHz, L5 =
-         * 1176.45 MHz, varying GLO channels, etc. If the field is not set, it
-         * is the primary common use central frequency, e.g. L1 = 1575.45 MHz
-         * for GPS.
+         * 1176.45 MHz, varying GLO channels, etc. If the field is zero, it is
+         * the primary common use central frequency, e.g. L1 = 1575.45 MHz for
+         * GPS.
          *
          * For an L1, L5 receiver tracking a satellite on L1 and L5 at the same
          * time, two GnssSvInfo structs must be reported for this same
@@ -125,8 +125,7 @@ interface IGnssCallback {
          * to L1 must be filled, and in the other all of the values related to
          * L5 must be filled.
          *
-         * If the data is available, gnssClockFlags must contain
-         * HAS_CARRIER_FREQUENCY.
+         * If the data is available, svFlag must contain HAS_CARRIER_FREQUENCY.
          */
         float carrierFrequencyHz;