diff --git a/docs/ref/databases.txt b/docs/ref/databases.txt
index 75e2d085e8..0b8c7cdf96 100644
--- a/docs/ref/databases.txt
+++ b/docs/ref/databases.txt
@@ -679,6 +679,14 @@ To run Django's test suite, the user needs these *additional* privileges:
 * CONNECT WITH ADMIN OPTION
 * RESOURCE WITH ADMIN OPTION
 
+The Oracle database backend uses the ``SYS.DBMS_LOB`` package, so your user
+will require execute permissions on it. It's normally accessible to all users
+by default, but in case it is not, you'll need to grant permissions like so:
+
+.. code-block:: sql
+
+    GRANT EXECUTE ON SYS.DBMS_LOB TO user;
+
 Connecting to the database
 --------------------------