diff --git a/core/java/android/bluetooth/BluetoothAdapter.java b/core/java/android/bluetooth/BluetoothAdapter.java
index 85636033d8194..735d84e72b675 100644
--- a/core/java/android/bluetooth/BluetoothAdapter.java
+++ b/core/java/android/bluetooth/BluetoothAdapter.java
@@ -1508,8 +1508,8 @@ public final class BluetoothAdapter {
     }
 
     /**
-     * Return the maximum LE advertising data length,
-     * if LE Extended Advertising feature is supported.
+     * Return the maximum LE advertising data length in bytes,
+     * if LE Extended Advertising feature is supported, 0 otherwise.
      *
      * @return the maximum LE advertising data length.
      */