Merge pull request #41 from meichthys/patch-1

Change 'publish' command to 'package'

docs/tutorial/tutorial-4.rst

@@ -83,7 +83,7 @@ If Briefcase can't find the scaffolded template, it will automatically invoke
 
 Now that we've updated the installer code, We can then run ``briefcase build``
 to re-compiled app, ``briefcase run`` to run the updated app, and ``briefcase
-publish`` to repackage the application for distribution.
+package`` to repackage the application for distribution.
 
 Updating dependencies and icons
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