Fix Nominatim description (#4042)

Description had reversed geocoding and reverse geocoding

README.md

@@ -1193,7 +1193,7 @@ _See also: [awesome-openstreetmap](https://github.com/osmlab/awesome-openstreetm
 - [H3 Viewer](https://github.com/clupasq/h3-viewer) - View/search Uber H3 (Hexagonal Hierarchical Spatial Index) cells on a map. ([Demo](https://wolf-h3-viewer.glitch.me/)) `Apache-2.0` `HTML5`
 - [Hauk](https://github.com/bilde2910/Hauk) - Easy to setup location sharing platform that lets you temporarily share your location with anyone in real-time. ([Demo](https://github.com/bilde2910/Hauk#demo-server)) `Apache-2.0` `PHP`
 - [MapBBCodeShare](https://github.com/MapBBCode/share.mapbbcode.org) - Tool for sharing custom OSM maps. Support for annotated markers, polygons, lines, multi-format import/export, multiple layers, shortlinks. ([Demo](http://share.mapbbcode.org/)) `WTFPL` `PHP`
-- [Nominatim](https://nominatim.org/) - Server application for reverse geocoding (address -> coordinates) on OpenStreetMap data. ([Source Code](https://github.com/osm-search/Nominatim)) `GPL-2.0` `C`
+- [Nominatim](https://nominatim.org/) - Server application for geocoding (address -> coordinates) and reverse geocoding (coordinates -> address) on OpenStreetMap data. ([Source Code](https://github.com/osm-search/Nominatim)) `GPL-2.0` `C`
 - [Open Source Routing Machine (OSRM)](http://project-osrm.org/) - High performance routing engine designed to run on OpenStreetMap data and offering an HTTP API, C++ library interface, and Nodejs wrapper. ([Demo](https://map.project-osrm.org/), [Source Code](https://github.com/Project-OSRM/osrm-backend)) `BSD-2-Clause` `C++`
 - [OpenGTS](http://www.opengts.org/) - Entry-level fleet tracking system. Supports variety of tracking devices and protocols. Comes with rich web-interface and reporting features. ([Demo](http://track.opengts.org/track/Track), [Source Code](https://sourceforge.net/projects/opengts/files/server-base/)) `Apache-2.0` `Java`
 - [OpenStreetMap](https://www.openstreetmap.org/) - Collaborative project to create a free editable map of the world. ([Source Code](https://github.com/openstreetmap/openstreetmap-website), [Clients](https://wiki.openstreetmap.org/wiki/Software)) `GPL-2.0` `Ruby`