diff --git a/gnss/1.0/IGnssCallback.hal b/gnss/1.0/IGnssCallback.hal
index 89e5e0e..7fb38c5 100644
--- a/gnss/1.0/IGnssCallback.hal
+++ b/gnss/1.0/IGnssCallback.hal
@@ -76,9 +76,9 @@
 
     struct GnssSvInfo {
         /**
-         * Pseudo-random number for the SV, or FCN/OSN number for Glonass. The
-         * distinction is made by looking at constellation field. Values must be
-         * in the range of:
+         * Pseudo-random or satellite ID number for the satellite, a.k.a. Space Vehicle (SV), or
+         * FCN/OSN number for Glonass. The distinction is made by looking at constellation field.
+         * Values must be in the range of:
          *
          * - GNSS:    1-32
          * - SBAS:    120-151, 183-192
diff --git a/gnss/1.0/IGnssMeasurementCallback.hal b/gnss/1.0/IGnssMeasurementCallback.hal
index 4031664..b27c2e0 100644
--- a/gnss/1.0/IGnssMeasurementCallback.hal
+++ b/gnss/1.0/IGnssMeasurementCallback.hal
@@ -496,7 +496,7 @@
          * 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
+         * If the data is available, gnssMeasurementFlags must contain
          * HAS_CARRIER_FREQUENCY.
          */
         float carrierFrequencyHz;
@@ -508,7 +508,7 @@
          * resets in the accumulation of this value can be inferred from the
          * accumulatedDeltaRangeState flags.
          *
-         * If the data is available, gnssClockFlags must contain
+         * If the data is available, gnssMeasurementFlags must contain
          * HAS_CARRIER_CYCLES.
          */
         int64_t carrierCycles;
@@ -521,14 +521,14 @@
          * The reference frequency is given by the field 'carrierFrequencyHz'.
          * The value contains the 'carrier-phase uncertainty' in it.
          *
-         * If the data is available, gnssClockFlags must contain
+         * If the data is available, gnssMeasurementFlags must contain
          * HAS_CARRIER_PHASE.
          */
         double carrierPhase;
 
         /**
          * 1-Sigma uncertainty of the carrier-phase.
-         * If the data is available, gnssClockFlags must contain
+         * If the data is available, gnssMeasurementFlags must contain
          * HAS_CARRIER_PHASE_UNCERTAINTY.
          */
         double carrierPhaseUncertainty;