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readme: fixed typo

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Sameer Naik
2015-11-29 11:52:47 +05:30
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README.md
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@@ -258,7 +258,7 @@ docker run --name postgresql-snapshot -itd --restart always \
sameersbn/postgresql:9.4-8
```
The difference between a slave and a snapshot is that a slave is read-only and updated whenever the master data is updated (streaming replication), while a snapshot is read-write and is not updated after the initial snapshot of the data on the master.
The difference between a slave and a snapshot is that a slave is read-only and updated whenever the master data is updated (streaming replication), while a snapshot is read-write and is not updated after the initial snapshot of the data from the master.
This is useful for developers to quickly snapshot the current state of a live database and use it for development/debugging purposes without altering the database on the live instance.