diff --git a/core/java/android/speech/RecognizerIntent.java b/core/java/android/speech/RecognizerIntent.java
index 457e66c6dbddb..e991d84807c18 100644
--- a/core/java/android/speech/RecognizerIntent.java
+++ b/core/java/android/speech/RecognizerIntent.java
@@ -55,7 +55,10 @@ public class RecognizerIntent {
      * <p>Starting this intent with just {@link Activity#startActivity(Intent)} is not supported.
      * You must either use {@link Activity#startActivityForResult(Intent, int)}, or provide a
      * PendingIntent, to receive recognition results.
-     * 
+     *
+     * <p>The implementation of this API is likely to stream audio to remote servers to perform
+     * speech recognition which can use a substantial amount of bandwidth.
+     *
      * <p>Required extras:
      * <ul>
      *   <li>{@link #EXTRA_LANGUAGE_MODEL}
diff --git a/core/java/android/speech/SpeechRecognizer.java b/core/java/android/speech/SpeechRecognizer.java
index 8fee41d1bcb7f..94aedbdf1d6a3 100644
--- a/core/java/android/speech/SpeechRecognizer.java
+++ b/core/java/android/speech/SpeechRecognizer.java
@@ -39,8 +39,14 @@ import java.util.Queue;
  * This class provides access to the speech recognition service. This service allows access to the
  * speech recognizer. Do not instantiate this class directly, instead, call
  * {@link SpeechRecognizer#createSpeechRecognizer(Context)}. This class's methods must be
- * invoked only from the main application thread. Please note that the application must have
- * {@link android.Manifest.permission#RECORD_AUDIO} permission to use this class.
+ * invoked only from the main application thread. 
+ *
+ * <p>The implementation of this API is likely to stream audio to remote servers to perform speech
+ * recognition. As such this API is not intended to be used for continuous recognition, which would
+ * consume a significant amount of battery and bandwidth.
+ *
+ * <p>Please note that the application must have {@link android.Manifest.permission#RECORD_AUDIO}
+ * permission to use this class.
  */
 public class SpeechRecognizer {
     /** DEBUG value to enable verbose debug prints */