Minor fixes.

README.md

@@ -19,6 +19,7 @@ bash init.sh
 
 If you do not plan on generating maps with coastline for mapsforge (see below), you can use the `--no-shapefile` option
 to avoid the download:
+
 ```bash
 bash init.sh --no-shapefile
 ```
@@ -28,9 +29,10 @@ bash init.sh --no-shapefile
 The two main folders are `inputs` and `outputs`:
 
 - `inputs` mainly contains:
-    - a script `coastline-fix.sh` to merge land/sea polygon (see below) and PBF files;
-    - multiple polygon (`.poly`) and bounding-box (`.bbox`) files for specific regions;
-    - PBF files downloaded organized in folder `$REGION/$REGION.pbf`.
+
+  - a script `coastline-fix.sh` to merge land/sea polygon (see below) and PBF files;
+  - multiple polygon (`.poly`) and bounding-box (`.bbox`) files for specific regions;
+  - PBF files downloaded organized in folder `$REGION/$REGION.pbf`.
 
 - `outputs` is the default folder for generated output.
 
@@ -39,9 +41,9 @@ The two main folders are `inputs` and `outputs`:
 This project can be used to generate two types of files:
 
 - Graph file (`.mapgr`) containing graph information (see
-[OSM2Graph](https://github.com/Holt59/OSM2Graph));
+  [OSM2Graph](https://github.com/Holt59/OSM2Graph));
 - Mapsforge file (`.mapfg`) containing [mapsforge](https://github.com/mapsforge/mapsforge)
-data to display graph in a more visual way.
+  data to display graph in a more visual way.
 
 The process to generate the Mapsforge file is more complex than the one to generate graph file,
 and it will often take much more time. Fortunately, it is often **not necessary** to generate
@@ -61,7 +63,7 @@ The first step is to a PBF files containining the region you want:
 - Download a complete region from Geofabrik: [http://download.geofabrik.de/](http://download.geofabrik.de/)
 - If necessary, chop a region previously downloaded:
 
-*Using a bounding box:*
+_Using a bounding box:_
 
 ```bash
 bin/osmosis --rb inputs/europe/france/bretagne/bretagne.osm.pbf \ # Specify your input PBF
@@ -69,7 +71,7 @@ bin/osmosis --rb inputs/europe/france/bretagne/bretagne.osm.pbf \ # Specify your
             --write-pbf inputs/europe/france/bretagne/morbihan.pbf # Specify the output file
 ```
 
-*Using a polygon:*
+_Using a polygon:_
 
 ```bash
 bin/osmosis --rb inputs/europe/france/bretagne/bretagne.osm.pbf \ # Specify your input PBF
@@ -92,8 +94,11 @@ You will need GDAL for this section, and the python bindings, you can usually in
 using a package manager:
 
 ```bash
+# pip (better with a venv!)
+pip install GDAL>=3
+
 # Debian
-sudo apt install gdal python-gdal 
+sudo apt install gdal python-gdal
 
 # CentOS
 sudo yum install gdal gdal-python
@@ -104,7 +109,7 @@ a script `coastline-fix.sh` is provided. Run it simply:
 
 ```bash
 cd inputs
-./coastline-fix.sh inputs/europe/france/bretagne/morbihan.pbf
+./coastline-fix.sh europe/france/bretagne/morbihan.pbf
 ```
 
 To apply the fix, you need a polygon file (`morbihan.poly` — not another name), in the
@@ -113,10 +118,9 @@ same directory as the PBF or in the `inputs/bbox` directory (recommended).
 This script will generate multiple intermediate files, but only two are importants:
 
 - `inputs/europe/france/bretagne/morbihan.bbox`, actual bounding-box of the PBF file —
-This will overwrite the old bounding-box if there was one.
+  This will overwrite the old bounding-box if there was one.
 - `inputs/europe/france/bretagne/morbihan_merge.pbf`, merged file that you should use as input
-for mapsforge.
-
+  for mapsforge.
 
 #### Step 2 - Generate graph & Mapsforge files
 
@@ -144,8 +148,8 @@ bounding-box:
 ```bash
 bash generate.sh inputs/europe/france/bretagne/morbihan_merge.pbf \
                  --bounding-box inputs/europe/france/bretagne/morbihan.bbox \
-                 --id FR-E --name "Bretagne" \
-                 --output outputs/bretagne
+                 --id FR-56 --name "Morbihan" \
+                 --output outputs/morbihan
 ```
 
 The script will automatically find the original file (`morbihan.pbf`) and use it to generate
@@ -158,8 +162,8 @@ the polygon or bounding-box used for the generation of the PBF:
 bash generate.sh inputs/europe/france/bretagne/morbihan_merge.pbf \
                  --bounding-box inputs/europe/france/bretagne/morbihan.bbox \
                  --bounding-polygon inputs/europe/france/bretagne/morbihan.poly \
-                 --id FR-E --name "Bretagne" \
-                 --output outputs/bretagne
+                 --id FR-56 --name "Morbihan" \
+                 --output outputs/morbihan
 ```
 
 If both the `--bounding-box` and `--bounding-polygon` option are specified, the bounding-box