diff --git a/docs/kartograph.py/osm.md b/docs/kartograph.py/osm.md
index 8f42e16..3d30286 100644
--- a/docs/kartograph.py/osm.md
+++ b/docs/kartograph.py/osm.md
@@ -19,18 +19,17 @@ After installing [PostgreSQL](http://www.postgresql.org/) and the [PostGIS exten
     > createdb osm
 
 
-Activate PostGIS on that database. You need to know where you installed PostGIS to find the postgis.sql and  spatial_ref_sys.sql. For instance, if you installed PostGIS on Mac OS using homebrew, you find them under ``/usr/local/Cellar/postgis/1.5.3/share/postgis/``.
+Activate PostGIS on that database.
 
-
-    > psql -d osm -f path/to/your/postgis.sql
-    > psql -d osm -f path/to/your/spatial_ref_sys.sql
+    > psql -d osm -c "CREATE EXTENSION postgis;"
+    > psql -d osm -c "CREATE EXTENSION postgis_topology;"
 
 
 ## Import OpenStreetMap data
 
 Download a fresh OpenStreetMap dump. You can use either the XML version (.osm) or the binary version (.osm.pbf).
 
-    > wget http://download.geofabrik.de/osm/europe/germany/berlin.osm.pbf
+    > wget http://download.geofabrik.de/europe/germany/berlin-latest.osm.pbf
 
 
 Install [osm2pgsql](http://wiki.openstreetmap.org/wiki/Osm2pgsql) and import the OSM dump into the database. 
@@ -45,10 +44,12 @@ This can take quite a while (and consume lots of RAM), depending on the actual s
 And that's it. Now you can create a map using the [latest bleeding edge version of Kartograph](https://github.com/kartograph/kartograph.py/tree/kartograph-2) and the following minimal map configuration:
 
     {
-        "roads": {
-            "src": "postgis:dbname=osm",
-            "table": "planet_osm_roads"
-        }
+    	"layers": {
+    	    "roads": {
+    	        "src": "postgis:dbname=osm",
+    	        "table": "planet_osm_roads"
+    	    }
+    	}
     }
 
 Store this as ``map.json`` and run ``kartograph map.json -o map.svg`` to get a map like this: