diff --git a/media/java/android/media/MediaRecorder.java b/media/java/android/media/MediaRecorder.java
index 3e884509833b6..7a6499dadd98a 100644
--- a/media/java/android/media/MediaRecorder.java
+++ b/media/java/android/media/MediaRecorder.java
@@ -910,7 +910,7 @@ public class MediaRecorder
      * not start another recording session during recording.
      *
      * @throws IllegalStateException if it is called before
-     * prepare().
+     * prepare() or when the camera is already in use by another app.
      */
     public native void start() throws IllegalStateException;