diff --git a/gnss/1.0/IGnssCallback.hal b/gnss/1.0/IGnssCallback.hal
index d62676f..311ab21 100644
--- a/gnss/1.0/IGnssCallback.hal
+++ b/gnss/1.0/IGnssCallback.hal
@@ -90,6 +90,7 @@
          * - QZSS:    193-200
          * - Galileo: 1-36
          * - Beidou:  1-37
+         * - IRNSS:   1-14
          */
         int16_t svid;