correct wording, formatting, ... of sponsors section

README.md

@@ -53,24 +53,25 @@ This software is released under the terms of the [GNU General Public License](ht
 Many users are currently supporting this app through <a href="https://github.com/sponsors/westnordost">GitHub sponsors</a>, <a href="https://liberapay.com/westnordost">Liberapay</a> and <a href="https://www.patreon.com/westnordost">Patreon</a>. If you like the app, you can join them ☺️ to support the continued development and maintenance of the app.<br/>
 <br/>
 
-<a href="https://prototypefund.de/"><img src=".github/images/logo_prototypefund.svg" alt="Prototype Fund" height="120"/></a><a href="https://bmbf.de/"><img src=".github/images/logo_bmbf.png" alt="German Federal Ministry of Education and Research" height="100"/></a><br/>
-Within the frame of <a href="https://prototypefund.de/en/project/streetcomplete-for-ios/">round 15</a> of the **Prototype Fund**, the German Federal Ministry of Education and Research currently sponsors Tobias Zwick to work on StreetComplete for iOS<br/>
+<a href="https://bmbf.de/"><img src=".github/images/logo_bmbf.png" alt="German Federal Ministry of Education and Research" height="120"/></a><a href="https://prototypefund.de/"><img src=".github/images/logo_prototypefund.svg" alt="Prototype Fund" height="120"/></a><br/>
+Within the frame of **Prototype Fund** <a href="https://prototypefund.de/en/project/streetcomplete-for-ios/">round 15</a> (Mar. 2024 to Aug. 2024), the German Federal Ministry of Education and Research currently sponsors Tobias Zwick to work on StreetComplete for iOS.<br/>
 <br/>
 
 ## Past Sponsors
 
 <a href="https://nlnet.nl/discovery/"><img src=".github/images/logo_nlnet.svg" alt="nlnet" height="80"/></a><br/>
 The **NLnet foundation** sponsored development on this app in three individual grants with funds from the European Commission:<br/>
-**2019, 2021 – 2022** — <a href="https://www.openstreetmap.org/user/Mateusz%20Konieczny/diary/368849">Two</a> <a href="https://www.openstreetmap.org/user/Mateusz%20Konieczny/diary/397825">grants</a> given to Mateusz Konieczny enabled him to work on various improvements for about one year in total.<br/>
-**2021 – 2022** <a href="https://nlnet.nl/project/StreetComplete-Together/">Another grant</a> enabled Tobias Zwick to work about five months on - most notably - the overlays functionality and measuring with AR.<br/>
+Grants given to Mateusz Konieczny in <a href="https://www.openstreetmap.org/user/Mateusz%20Konieczny/diary/368849">2019</a> and <a href="https://www.openstreetmap.org/user/Mateusz%20Konieczny/diary/397825">2021</a> enabled him to work on StreetComplete for about one year in total.<br/>
+Furthermore, yet another grant from <a href="https://nlnet.nl/project/StreetComplete-Together/">2021</a> enabled Tobias Zwick to work about five months on - most notably - the overlays functionality and measuring with AR.<br/>
+<br/>
 
-<a href="https://prototypefund.de/"><img src=".github/images/logo_prototypefund.svg" alt="Prototype Fund" height="120"/></a><a href="https://bmbf.de/"><img src=".github/images/logo_bmbf.png" alt="German Federal Ministry of Education and Research" height="100"/></a><br/>
-**2020-09 to 2021-02** — Within the frame of <a href="https://prototypefund.de/en/project/streetcomplete/">round 8</a> of the **Prototype Fund**, the German Federal Ministry of Education and Research sponsored development on general improvements and collecting more data points with this app.<br/>
+<a href="https://bmbf.de/"><img src=".github/images/logo_bmbf.png" alt="German Federal Ministry of Education and Research" height="90"/></a><a href="https://prototypefund.de/"><img src=".github/images/logo_prototypefund.svg" alt="Prototype Fund" height="90"/></a><br/>
+Within the frame of **Prototype Fund** <a href="https://prototypefund.de/en/project/streetcomplete/">round 8</a> (Sep. 2020 to Feb. 2021), the German Federal Ministry of Education and Research sponsored development on general improvements and collecting more data points with this app.<br/>
 <br/>
 
 <a href="https://www.jawg.io"><img src=".github/images/logo_jawgmaps.png" alt="JawgMaps" height="40"/></a><br>
-**since 2020-07** — **JawgMaps** provides their vector map tiles service to StreetComplete for free, i.e. the background map displayed in the app.
+Since mid 2020, **JawgMaps** provides their vector map tiles service to StreetComplete for free, i.e. the background map displayed in the app.<br/>
 <br/>
 
 <a href="https://osmfoundation.org/"><img src=".github/images/logo_osmf.png" alt="OpenStreetMap foundation" height="50"/></a><br/>
-**2020-08** — The **OpenStreetMap foundation** funded the <a href="https://blog.openstreetmap.org/2020/07/01/osmf-microgrants-program-congratulations-to-selected-projects/">microgrant project</a> <a href="https://wiki.openstreetmap.org/wiki/Microgrants/Microgrants_2020/Proposal/Map_Maintenance_with_StreetComplete">Map Maintenance with StreetComplete</a>.
+In August 2020, the **OpenStreetMap foundation** funded the development of <a href="https://wiki.openstreetmap.org/wiki/Microgrants/Microgrants_2020/Proposal/Map_Maintenance_with_StreetComplete">Map Maintenance with StreetComplete</a> within the frame of the <a href="https://blog.openstreetmap.org/2020/07/01/osmf-microgrants-program-congratulations-to-selected-projects/">microgrants program</a>.<br/>