diff --git a/core/java/android/provider/BaseColumns.java b/core/java/android/provider/BaseColumns.java
index b216e2b7ed8d3..667bb29055dfb 100644
--- a/core/java/android/provider/BaseColumns.java
+++ b/core/java/android/provider/BaseColumns.java
@@ -19,12 +19,16 @@ package android.provider;
 public interface BaseColumns {
     /**
      * The unique ID for a row.
+     *
+     * <p>Type: INTEGER (long)</p>
      */
     // @Column(Cursor.FIELD_TYPE_INTEGER)
     public static final String _ID = "_id";
 
     /**
      * The count of rows in a directory.
+     *
+     * <p>Type: INTEGER</p>
      */
     // @Column(Cursor.FIELD_TYPE_INTEGER)
     public static final String _COUNT = "_count";