Update README.md

danielweller-swp · web-flow · commit 4f5e163390f6 · 2020-01-07T13:52:30.000+01:00
diff --git a/README.md b/README.md
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 This [GitHub Action](https://github.com/features/actions) sets up a PostgreSQL database.
 
+**Note**: this is a fork from [here](https://github.com/Harmon758/postgresql-action) since the maintainer of that repository seems to be inactive.
+
 # Usage
 
 See [action.yml](action.yml)
