Merge pull request #12 from mmann1123/mmann1123-url

update ym url readme

README.md

@@ -73,7 +73,7 @@ In the browser window select or drag your `config.yaml` file to the upload box.
 ![OSM Leaderboard](https://github.com/mmann1123/OSM_LeaderBoard/blob/main/video/leaderboard3.gif?raw=true)
 
 # Credits
-[![GWU Geography](https://github.com/mmann1123/OSM_LeaderBoard/blob/main/video/gw.png?raw=true)](https://geography.columbian.gwu.edu/)    <a href="https://pygis.io"> <img src="https://github.com/mmann1123/OSM_LeaderBoard/blob/main/video/pygis.png?raw=true" alt="pygis.io" height="70"></a>  <a href="https://pygis.io"> <img src="https://github.com/mmann1123/OSM_LeaderBoard/blob/main/video/youthmappers.webp?raw=true" alt="YouthMappers" height="70"></a>
+[![GWU Geography](https://github.com/mmann1123/OSM_LeaderBoard/blob/main/video/gw.png?raw=true)](https://geography.columbian.gwu.edu/)    <a href="https://pygis.io"> <img src="https://github.com/mmann1123/OSM_LeaderBoard/blob/main/video/pygis.png?raw=true" alt="pygis.io" height="70"></a>  <a href="https://www.youthmappers.org/"> <img src="https://github.com/mmann1123/OSM_LeaderBoard/blob/main/video/youthmappers.webp?raw=true" alt="YouthMappers" height="70"></a>
 <br><br><br>
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.11387666.svg)](https://doi.org/10.5281/zenodo.11387666)