fix indent in docs

diff --git a/data-sources/gb-postcodes/README.md b/data-sources/gb-postcodes/README.md
index b9a21e28687191f3f077278ef3d4fb8c1f5cd878..b5a0b9d8ababcec8b73f2f975422764401e52c5e 100644 (file)
--- a/data-sources/gb-postcodes/README.md
+++ b/data-sources/gb-postcodes/README.md
@@ -25,18 +25,18 @@ If you forgot to download the file, or have a new version, you can import it sep
 
 2. `unzip codepo_gb.zip`
 
-   Unpacked you'll see a directory of CSV files.
+    Unpacked you'll see a directory of CSV files.
 
         $ more codepo_gb/Data/CSV/n.csv
         "N1 0AA",10,530626,183961,"E92000001","E19000003","E18000007","","E09000019","E05000368"
         "N1 0AB",10,530559,183978,"E92000001","E19000003","E18000007","","E09000019","E05000368"
 
-   The coordinates are "Northings" and "Eastings" in [OSGB 1936](http://epsg.io/1314) projection. They can be projected to WGS84 like this
+    The coordinates are "Northings" and "Eastings" in [OSGB 1936](http://epsg.io/1314) projection. They can be projected to WGS84 like this
 
         SELECT ST_AsText(ST_Transform(ST_SetSRID('POINT(530626 183961)'::geometry,27700), 4326));
         POINT(-0.117872733220225 51.5394424719303)
 
-   [-0.117872733220225 51.5394424719303 on OSM map](https://www.openstreetmap.org/?mlon=-0.117872733220225&mlat=51.5394424719303&zoom=16)
+    [-0.117872733220225 51.5394424719303 on OSM map](https://www.openstreetmap.org/?mlon=-0.117872733220225&mlat=51.5394424719303&zoom=16)