Update upgrade.rst

small grammatical fix
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lrnzo 2019-03-18 17:52:33 +01:00 committed by GitHub
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@ -23,7 +23,7 @@ Best practices
This allows using the same code to create the initial configuration and upgrade configurations on upgrades. This allows using the same code to create the initial configuration and upgrade configurations on upgrades.
* If it is unavoidable to run different code during the initial installation, the ``sysconfig.gluon_version`` variable * If it is unavoidable to run different code during the initial installation, the ``sysconfig.gluon_version`` variable
can be checked. This variable is ``nil`` during the initial installation and contains the previously install Gluon can be checked. This variable is ``nil`` during the initial installation and contains the previously installed Gluon
version otherwise. version otherwise.
Script ordering Script ordering