Update INSTALL.rst

Rearrange document

docs/docs/INSTALL.rst

@@ -34,9 +34,6 @@ disks images, so clones won't require many space.
 Install Ravada
 --------------
 
-Follow `this guide <http://ravada.readthedocs.io/en/latest/docs/update.html>`_
-if you are only upgrading Ravada from a previous version already installed.
-
 Ravada can be installed from package or using docker.
 
 * `Ubuntu <http://ravada.readthedocs.io/en/latest/docs/INSTALL_ubuntu.html>`_
@@ -44,6 +41,9 @@ Ravada can be installed from package or using docker.
 * `RedHat Fedora <http://ravada.readthedocs.io/en/latest/docs/INSTALL_fedora.html>`_
 * `Docker <http://ravada.readthedocs.io/en/latest/docs/INSTALLfromDockers.rst>`_
 
+Follow `this guide <http://ravada.readthedocs.io/en/latest/docs/update.html>`_
+if you are only upgrading Ravada from a previous version already installed.
+
 Client
 ------