diff --git a/location/java/android/location/GnssMeasurement.java b/location/java/android/location/GnssMeasurement.java
index 242d9a3627db0..f4466782ac8a2 100644
--- a/location/java/android/location/GnssMeasurement.java
+++ b/location/java/android/location/GnssMeasurement.java
@@ -1530,6 +1530,10 @@ public final class GnssMeasurement implements Parcelable {
      *
      * <p>The value does not include the inter-frequency Ionospheric bias.
      *
+     * <p>The sign of the value is defined by the following equation:
+     * <pre>
+     *     corrected pseudorange = raw pseudorange - FullInterSignalBiasNanos</pre>
+     *
      * <p>The value is only available if {@link #hasFullInterSignalBiasNanos()} is {@code true}.
      */
     public double getFullInterSignalBiasNanos() {
@@ -1626,6 +1630,10 @@ public final class GnssMeasurement implements Parcelable {
      * type in {@link GnssClock#getReferenceConstellationTypeForIsb())</li>
      * </ul>
      *
+     * <p>The sign of the value is defined by the following equation:
+     * <pre>
+     *     corrected pseudorange = raw pseudorange - SatelliteInterSignalBiasNanos</pre>
+     *
      * <p>The value is only available if {@link #hasSatelliteInterSignalBiasNanos()} is {@code
      * true}.
      */