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docs: fix typo in upgrade.rst

kb-light 8 years ago
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4511da0aee
1 changed files with 1 additions and 1 deletions
  1. 1 1
      docs/dev/upgrade.rst

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docs/dev/upgrade.rst

@@ -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 in ``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 install Gluon
   version otherwise. The package ``gluon-legacy`` (which is responsible for upgrades from the old firmwares of
   version otherwise. The package ``gluon-legacy`` (which is responsible for upgrades from the old firmwares of
   Hamburg/Kiel/Lübeck) uses the special value ``legacy``; other packages should handle this value just as any other
   Hamburg/Kiel/Lübeck) uses the special value ``legacy``; other packages should handle this value just as any other
   string.
   string.