Fix team name

README.md

@@ -2,7 +2,7 @@
 
 A repository containing support code and resources initially developed at the [Institute for Medical Informatics, Statistics and Documentation at the Medical University of Graz (Austria)](https://www.medunigraz.at/imi/en/) for participation at the [2017 TREC Precision Medicine Track](http://trec-cds.appspot.com/2017.html). For further information on this track and the final results please check the official [TREC-PM 2017 overview paper](https://trec.nist.gov/pubs/trec26/papers/Overview-PM.pdf). Team name: **imi_mug**
 
-It was then further improved for participation at the [2018 TREC Precision Medicine Track](http://trec-cds.appspot.com/2018.html), team: **dhc-hpi**. Improvements include: support for subtemplates and the possibility to use disjunctive queries (_dis\_max_) allowing e.g. synonyms and hypernyms to have different weights.
+It was then further improved for participation at the [2018 TREC Precision Medicine Track](http://trec-cds.appspot.com/2018.html), team: **hpi-dhc**. Improvements include: support for subtemplates and the possibility to use disjunctive queries (_dis\_max_) allowing e.g. synonyms and hypernyms to have different weights.
 
 If you use data or code in your work, please cite our [TREC 2017 proceedings paper](https://trec.nist.gov/pubs/trec26/papers/imi_mug-PM.pdf):