diff --git a/core/java/android/telephony/PhoneStateListener.java b/core/java/android/telephony/PhoneStateListener.java
index e4fbf9f0e187b..9b293eb463e58 100644
--- a/core/java/android/telephony/PhoneStateListener.java
+++ b/core/java/android/telephony/PhoneStateListener.java
@@ -340,6 +340,10 @@ public class PhoneStateListener {
     /**
      *  Listen for display info changed event.
      *
+     *  Requires Permission: {@link android.Manifest.permission#READ_PHONE_STATE
+     *  READ_PHONE_STATE} or that the calling app has carrier privileges (see
+     *  {@link TelephonyManager#hasCarrierPrivileges}).
+     *
      *  @see #onDisplayInfoChanged
      */
     public static final int LISTEN_DISPLAY_INFO_CHANGED = 0x00100000;