diff --git a/core/java/android/provider/ContactsContract.java b/core/java/android/provider/ContactsContract.java
index 904b393efce76..4b43f53ebefe1 100644
--- a/core/java/android/provider/ContactsContract.java
+++ b/core/java/android/provider/ContactsContract.java
@@ -8763,6 +8763,15 @@ public final class ContactsContract {
*
Note: Some apps may choose to use phone number as the unique contact ID in DATA1.
* If this applies to you and you’d like phone number to be shown below the Contact Name by
* the Voice Assistant, then you may choose to leave DATA3 empty.
+ * Note: If your app also uses DATA3 to display contact details in the Contacts App,
+ * make sure it does not include prefix text such as "Message +" or "Free Message
+ * +", etc. If you must show the prefix text in the Contacts App, please use a
+ * different DATA# column, and update your contacts.xml to point to this new column.
+ *
+ * Everytime the user sends a message to a contact, your app may choose to update the
+ * {@link ContactOptionsColumns#TIMES_CONTACTED} entry through DataUsageFeedback class.
+ * Doing this will allow Voice Assistant to bias speech recognition to contacts frequently
+ * contacted, this is particularly useful for contact names that are hard to pronounce.
*
*
* Input: {@link android.content.Intent#getType} is the MIME type of the data being sent.