Upgrade MongoDB to 2.6 docs don't mention packaged installs

source/release-notes/2.6-upgrade.txt

@@ -87,6 +87,37 @@ earlier than MongoDB 2.4. If you created ``text`` or ``2dsphere``
 indexes while running 2.6, you can only downgrade to MongoDB 2.4.10 or
 later.
 
+Package Upgrades
+~~~~~~~~~~~~~~~~
+
+If you installed MongoDB from the MongoDB ``apt`` or ``yum`` repositories,
+upgrade to 2.6 using the package manager.
+
+For Debian, Ubuntu, and related operating systems, type these commands:
+
+.. code-block:: javascript
+
+   sudo apt-get update
+   sudo apt-get install mongodb-org
+
+For Red Hat Enterprise, CentOS, Fedora, or Amazon Linux:
+
+.. code-block:: javascript
+
+   sudo yum install mongodb-org 
+
+If you did not install the ``mongodb-org`` package, and installed a subset
+of MongoDB components replace ``mongodb-org`` in the commands above with
+the appropriate package names.
+
+See installation instructions for :doc:`Ubuntu
+</tutorial/install-mongodb-on-ubuntu>`, :doc:`RHEL
+</tutorial/install-mongodb-on-red-hat-centos-or-fedora-linux>`,
+:doc:`Debian </tutorial/install-mongodb-on-debian>`, or :doc:`other Linux
+Systems </tutorial/install-mongodb-on-linux>` for a list of the available
+packages and complete MongoDB installation instructions.
+
+
 Upgrade MongoDB Processes
 -------------------------