diff --git a/core/java/android/nfc/NfcAdapter.java b/core/java/android/nfc/NfcAdapter.java
index 4464d5800a144..840738095d953 100644
--- a/core/java/android/nfc/NfcAdapter.java
+++ b/core/java/android/nfc/NfcAdapter.java
@@ -637,6 +637,9 @@ public final class NfcAdapter {
      * {@link Activity#onDestroy}. This is guaranteed if you call this API
      * during {@link Activity#onCreate}.
      *
+     * <p class="note">If this device does not support alternate transports
+     * such as Bluetooth or WiFI, calling this method does nothing.
+     *
      * <p class="note">Requires the {@link android.Manifest.permission#NFC} permission.
      *
      * @param uris an array of Uri(s) to push over Android Beam
@@ -711,6 +714,9 @@ public final class NfcAdapter {
      * {@link Activity#onDestroy}. This is guaranteed if you call this API
      * during {@link Activity#onCreate}.
      *
+     * <p class="note">If this device does not support alternate transports
+     * such as Bluetooth or WiFI, calling this method does nothing.
+     *
      * <p class="note">Requires the {@link android.Manifest.permission#NFC} permission.
      *
      * @param callback callback, or null to disable