docs(README): multiple geo attributes

PLNech · web-flow · commit b64bf5fbc1e7 · 2018-04-25T14:31:45.000+02:00
Fixes #240.
diff --git a/README.md b/README.md
@@ -163,7 +163,7 @@ raw_search(Contact, "jim", params)
 
 ## Geo-Search
 
-Use the `geo_field` attribute to localize your record. `geo_field` should be a callable that returns a tuple (latitude, longitude).
+Use the `geo_field` attribute to localize your record. `geo_field` should be a callable that returns a tuple `(latitude, longitude)` or a list of such tuples.
 
 ```python
 class Contact(models.model):
