Update README.md

Author: karussell

map-matching/README.md

@@ -11,12 +11,7 @@ See the demo in action (black is GPS track, green is matched result):
 
 ### Web app
 
-Start via:
-```bash
-java -jar web/target/graphhopper-web-3.0-SNAPSHOT.jar server config.yml
-```
-
-Access the simple UI via `http://localhost:8989/maps/map-matching/` (including the trailing slash).
+To install GraphHopper see [these instructions](../Readme.md#installation). After the import process finished you can access a simple map matching UI via `http://localhost:8989/maps/map-matching/` (including the trailing slash).
 
 You can post GPX files and get back snapped results as GPX or as JSON. An example curl request is:
 ```bash
@@ -57,4 +52,4 @@ The [Viterbi algorithm](https://en.wikipedia.org/wiki/Viterbi_algorithm) as prov
 of map matching candidates. Thereby, the distances between GPS positions and map matching
 candidates as well as the routing distances between consecutive map matching candidates are taken
 into account. The GraphHopper routing engine is used to find candidates and to compute routing
-distances.
+distances.