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-"# OSM_to_GeoJSON" 
+Tool to parse Open Street Maps data sets looking for tags, and then create a GeoJSON layer for use with tools such as QGIS
+
+Requires Osmium - https://osmcode.org/osmium-tool/
+OSM Tag list - https://wiki.openstreetmap.org/wiki/Tags#Finding_your_tag
+
+- Place file alongside osm.pbf
+- Update `"uk-latest.osm.pbf"` (line 40)  with your file name
+- Update `tags.get("amenity") == "fuel"` (lines 26 & 30) with required OSM tag
+- Update `"fuel_all.geojson"` (line 48) with output file name
+- Run from command line as `osm_to_geojson.py`
+
+Be aware, may take a large amount of time for bigger data sets