--- a/Sphinx/source/contributing.rst	Thu Apr 29 13:59:11 2021 +0200
+++ b/Sphinx/source/contributing.rst	Thu Apr 29 14:10:29 2021 +0200
@@ -30,7 +30,7 @@
           * **Plugins**:
 
             - Support of MSSQL databases
-            - :ref:`Worklist plugin <worklist>` to interface with REST API, HL7 or Myrth
+            - :ref:`Worklist plugin <worklist>` to interface with REST API, HL7 or Mirth
             
           Please `get in touch with Osimis <info@osimis.io>`__ if you
           want to sponsor these developments.
@@ -80,6 +80,7 @@
     <https://fedoraproject.org/wiki/EPEL>`__, CentOS, openSUSE...).
   - Take ownership of the now-orphaned `Fedora package
     <https://src.fedoraproject.org/rpms/orthanc>`__.
+  - Take care of :ref:`Debian/Ubuntu backporting <debian-packages>`.
   - Share your maintenance scripts or sample code inside the "`Orthanc Contributed
     <https://github.com/jodogne/OrthancContributed>`_" public GitHub
     repository, via pull requests.

--- a/Sphinx/source/users/debian-packages.rst	Thu Apr 29 13:59:11 2021 +0200
+++ b/Sphinx/source/users/debian-packages.rst	Thu Apr 29 14:10:29 2021 +0200
@@ -14,9 +14,10 @@
 
 Orthanc is available as an offical `Debian package
 <https://packages.debian.org/search?keywords=orthanc&searchon=names&exact=1&suite=all&section=all>`__
-that is continuously updated by the Orthanc core developers. This
-implies that Orthanc is also available in the `Debian derivative
-distributions
+that is continuously updated by the Orthanc core developers in the
+`Debian Sid/unstable distribution
+<https://wiki.debian.org/DebianUnstable>`__. This implies that Orthanc
+is also available in the `Debian derivative distributions
 <https://en.wikipedia.org/wiki/List_of_Linux_distributions#Debian-based>`__,
 most notably in `Ubuntu
 <https://packages.ubuntu.com/search?keywords=orthanc&searchon=names&suite=all&section=all>`__. Most
@@ -38,6 +39,15 @@
 
 * Advanced users: :ref:`replace the binaries from the package by the
   LSB binaries <lsb-replace-debian-binaries>`.
+
+
+**Note about backporting:** Bringing a new version of Orthanc to an
+older Ubuntu/Debian release (typically, a LTS release) is known as
+"backporting". The process for initiating a backport in `Ubuntu
+<https://wiki.ubuntu.com/UbuntuBackports>`__ or in `Debian
+<https://backports.debian.org/>`__ is publicly available, but the core
+developers of Orthanc will not do this packaging task by themselves
+because of a limited bandwidth: You are kindly invited to contribute!
   
 
 Installation