zhangyanxian 6f46088a65 Fix some typos in database_migrations.rst ...

Change-Id: I713605e7df2cb0b11d39f7825f70ec220f66e6a6

2016-08-24 08:14:52 +00:00

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Fix some typos in database_migrations.rst

2016-08-24 08:14:52 +00:00