Merge pull request #127 from easherma/patch-1

Update README.md

README.md

@@ -52,6 +52,8 @@ inserting this duplicate data into Pelias, the importer can optionally run all
 records through the [openvenues](https://github.com/openvenues) [address
 deduplicator](https://github.com/openvenues/address_deduper).
 
+**Note:** The address deduper is a Python/Flask app and defaults to running on port 5000. It must be running in order for deduplication to take place!
+
 The address deduplicator will filter out records that are both nearby, and have
 nearly identical values. The deduplicator knows to expand common abbreviations,
 so `123 Main Street` and `123 Main St` would be matched as duplicates.
@@ -60,6 +62,8 @@ Like admin lookup, this process slows down the importer quite a bit, and
 requires a large amount of disk space (it uses a LevelDB store to track which
 addresses it has seen), so it defaults to off.
 
+
+
 ## Configuration
 This importer can be configured in [pelias-config](https://github.com/pelias/config), in the `imports.openaddresses`
 hash. A sample configuration file might look like: