docs: fix missing quotes in ubuntu install instructions
type: docs
.. toctree::
-Ubuntu 18.04 - Setup the FD.io Repository
-==========================================
+Ubuntu - Setup the FD.io Repository
+===================================
Choose one of the following releases to install.
@@ -85,4 +85,4 @@ Uninstall the packages by running the following command:
.. code-block:: console
- sudo apt-get remove --purge vpp*
+ sudo apt-get remove --purge "vpp*"
